Mercruiser - Mercruiser 305 / 350, 5.0L, 5.7L, 6.2L Small Block Chevy

Stock Mercruiser Replacement Small Block Chevy 5.0/5.7L 305/350 Cast Iron Dry Joint 7 Degree Riser. This is a dry-joint style replacement riser.  Sold Each. Replaces 864309T02.

Stock Mercruiser Replacement Small Block Chevy 5.0/5.7L 305/350 Cast Iron Dry Joint Manifold. This is a dry-joint style replacement system. Replaces MerCruiser part number 865735A02. Sold Each.

Complete Barr Marine exhaust kit for the MerCruiser V8 198-898 (log style). Everything listed below is included in this kit, so the complete exhaust setup can be ordered under one part number.

Kit includes:

• (1) MC-1-77234 port and (1) MC-1-77235 starboard MerCruiser V8 198-898 Log Exhaust Manifolds. Direct replacement water cooled exhaust manifold. Includes all plugs, gaskets and mounting hardware to the cylinder head. Port replaces MerCruiser 77234A7, Osco 7234B, Mallory 9-40503, HGE 7234 and Sierra 18-1950-1. Starboard replaces MerCruiser 77235A8, Osco 7235B, Mallory 9-40504, HGE 7235 and Sierra 18-1951-1.
• (2) MC-20-76351 MerCruiser 4, 6 Cylinder, V8 Log Elbow Riser. Direct replacement exhaust elbow riser. Not pictured. Includes plugs, gasket and mounting hardware to mount to the manifold. Replaces MerCruiser 76351A2, Osco 6351, Mallory 9-40558, HGE 6351, Sierra 18-1971 and GLM 51120.

Fits MerCruiser V8 198, 228, 255, 260 and 898, inboard and stern drive units (log style direct replacement).

Barr Marine castings have a thicker interior wall, are painted to match original manufacturer colors and are packed in foam for added protection during shipping and storage. Barr manifolds and exhaust connectors are designed to minimize back pressure, and in many cases more r.p.m.''s are achieved after replacing an OEM manifold with Barr replacement parts.

• 3 year limited warranty on Barr exhaust manifolds, risers and exhaust connectors (1 year when used for commercial purposes).

Compatible parts:

• MC-20-60426 direct replacement exhaust elbow riser (utilizes a stainless steel sleeve at the water/air mixing area).
• MC-20-76771 direct replacement exhaust elbow riser.
• MC-20-61851A2 manifold to riser 3" spacers (sold in pairs). Includes all mounting hardware, gaskets and drain plugs.
• 1-60252 direct replacement exhaust manifold end cap/connector.
• 1-60252P front end plate mounting package.
• MC-1-77234P manifold mounting package.
• MC-20-55730 stainless steel fresh water cooling block off plate for use with MerCruiser riser #''s 60426, 76351 and 76771. Requires (2) gaskets part # MC47-27-52076.
• MC-20-60207 stainless steel block off plate (with vent hole) for use with MerCruiser riser #''s 60426, 76351 and 76771. Requires (2) gaskets part # MC47-2752076.
• MC-20-60426P exhaust riser elbow mounting package. For use with both MC-2060426 and MC-20-76351 risers.
• MC-27-48104 alternator mounting bracket.
• MC-29-47441 upper thermostat housing.
• MC-29-78984 lower thermostat housing.
• MC47-27-33395 direct replacement exhaust manifold to head gasket.
• MC47-27-33395A2 exhaust manifold gasket set.
• MC47-27-48043 direct replacement exhaust manifold end cap/connector gasket (will fit both ends).
• MC47-27-99777-3 direct replacement exhaust elbow to manifold gasket.
• MC47-488 KIT thermostat kit (includes gasket and thermostat).
• MC-1-52390 direct replacement water cooled exhaust manifold. For serial # 3332138 and up.
• MC-1-58759 direct replacement water cooled manifold to fit the 6 cyl. GM (Model 165) engine.
• MC-1-65603 direct replacement water cooled exhaust manifold (starboard side).
• MC-1-65604 direct replacement water cooled exhaust manifold (port side).
• MC-20-61851A3 manifold to riser 3" spacer (single block). Includes all mounting hardware, gaskets and drain plug.
• 1-54870 direct replacement exhaust manifold rear end cap. Serial # 4481625 and below.
• 1-54870P rear end cap mounting package.
• MC-1-52390P exhaust manifold mounting package.
• MC-1-58759P exhaust manifold mounting package.
• MC-1-58764P manifold to carburetor adaptor mounting package.
• MC-1-6560P manifold mounting package.
• MC-29-47587 direct replacement lower thermostat housing.
• MC-29-60372 direct replacement upper thermostat housing.
• MC-29-62898 upper thermostat housing.
• MC-29-63588 lower thermostat housing.
• MC47-27-46401 direct replacement manifold to head gasket.
• MC47-27-52076 direct replacement exhaust elbow to exhaust manifold gasket.
• MC47-27-53354 direct replacement exhaust manifold to cylinder head gasket.
• MC47-27-53354A1 exhaust manifold gasket set.
• MC47-27-73814 direct replacement exhaust manifold end cap gasket. Utilized with 1-73813 rear end cap.
• MC47-27-73866 direct replacement exhaust manifold to head gasket.

Composite kit picture Shown is for reference only. See list of included parts above in the description.

Composite kit picture shown is for reference only. See list of included parts above in the description.

Complete Barr Marine exhaust kit for the MerCruiser V8 198-898 (log style). Everything listed below is included in this kit, so the complete exhaust setup can be ordered under one part number.

Kit includes:

• (1) MC-1-77234 port and (1) MC-1-77235 starboard MerCruiser V8 198-898 Log Exhaust Manifolds. Direct replacement water cooled exhaust manifold. Includes all plugs, gaskets and mounting hardware to the cylinder head. Port replaces MerCruiser 77234A7, Osco 7234B, Mallory 9-40503, HGE 7234 and Sierra 18-1950-1. Starboard replaces MerCruiser 77235A8, Osco 7235B, Mallory 9-40504, HGE 7235 and Sierra 18-1951-1.
• (2) MC-20-60426 MerCruiser 4, 6 Cylinder, V8 Log Elbow Riser. Direct replacement exhaust elbow riser (utilizes a stainless steel sleeve at the water/air mixing area). Includes plugs, gasket and mounting hardware to mount to the manifold. Replaces MerCruiser 60426A1.

Fits MerCruiser V8 198, 228, 255, 260 and 898, inboard and stern drive units (log style direct replacement).

Barr Marine castings have a thicker interior wall, are painted to match original manufacturer colors and are packed in foam for added protection during shipping and storage. Barr manifolds and exhaust connectors are designed to minimize back pressure, and in many cases more r.p.m.''s are achieved after replacing an OEM manifold with Barr replacement parts.

• 3 year limited warranty on Barr exhaust manifolds, risers and exhaust connectors (1 year when used for commercial purposes).

Compatible parts:

• MC-20-76351 direct replacement exhaust elbow riser.
• MC-20-76771 direct replacement exhaust elbow riser.
• MC-20-61851A2 manifold to riser 3" spacers (sold in pairs). Includes all mounting hardware, gaskets and drain plugs.
• 1-60252 direct replacement exhaust manifold end cap/connector.
• 1-60252P front end plate mounting package.
• MC-1-77234P manifold mounting package.
• MC-20-55730 stainless steel fresh water cooling block off plate for use with MerCruiser riser #''s 60426, 76351 and 76771. Requires (2) gaskets part # MC47-27-52076.
• MC-20-60207 stainless steel block off plate (with vent hole) for use with MerCruiser riser #''s 60426, 76351 and 76771. Requires (2) gaskets part # MC47-2752076.
• MC-20-60426P exhaust riser elbow mounting package. For use with both MC-2060426 and MC-20-76351 risers.
• MC-27-48104 alternator mounting bracket.
• MC-29-47441 upper thermostat housing.
• MC-29-78984 lower thermostat housing.
• MC47-27-33395 direct replacement exhaust manifold to head gasket.
• MC47-27-33395A2 exhaust manifold gasket set.
• MC47-27-48043 direct replacement exhaust manifold end cap/connector gasket (will fit both ends).
• MC47-27-99777-3 direct replacement exhaust elbow to manifold gasket.
• MC47-488 KIT thermostat kit (includes gasket and thermostat).
• MC-1-52390 direct replacement water cooled exhaust manifold. For serial # 3332138 and up.
• MC-1-58759 direct replacement water cooled manifold to fit the 6 cyl. GM (Model 165) engine.
• MC-1-65603 direct replacement water cooled exhaust manifold (starboard side).
• MC-1-65604 direct replacement water cooled exhaust manifold (port side).
• MC-20-61851A3 manifold to riser 3" spacer (single block). Includes all mounting hardware, gaskets and drain plug.
• 1-54870 direct replacement exhaust manifold rear end cap. Serial # 4481625 and below.
• 1-54870P rear end cap mounting package.
• MC-1-52390P exhaust manifold mounting package.
• MC-1-58759P exhaust manifold mounting package.
• MC-1-58764P manifold to carburetor adaptor mounting package.
• MC-1-6560P manifold mounting package.
• MC-29-47587 direct replacement lower thermostat housing.
• MC-29-60372 direct replacement upper thermostat housing.
• MC-29-62898 upper thermostat housing.
• MC-29-63588 lower thermostat housing.
• MC47-27-46401 direct replacement manifold to head gasket.
• MC47-27-52076 direct replacement exhaust elbow to exhaust manifold gasket.
• MC47-27-53354 direct replacement exhaust manifold to cylinder head gasket.
• MC47-27-53354A1 exhaust manifold gasket set.
• MC47-27-73814 direct replacement exhaust manifold end cap gasket. Utilized with 1-73813 rear end cap.
• MC47-27-73866 direct replacement exhaust manifold to head gasket.

Composite kit picture Shown is for reference only. See list of included parts above in the description.

Composite kit picture shown is for reference only. See list of included parts above in the description.

Complete Barr Marine exhaust kit for the MerCruiser V8 198-898 (log style). Everything listed below is included in this kit, so the complete exhaust setup can be ordered under one part number.

Kit includes:

• (1) MC-1-77234 port and (1) MC-1-77235 starboard MerCruiser V8 198-898 Log Exhaust Manifolds. Direct replacement water cooled exhaust manifold. Includes all plugs, gaskets and mounting hardware to the cylinder head. Port replaces MerCruiser 77234A7, Osco 7234B, Mallory 9-40503, HGE 7234 and Sierra 18-1950-1. Starboard replaces MerCruiser 77235A8, Osco 7235B, Mallory 9-40504, HGE 7235 and Sierra 18-1951-1.
• (2) MC-20-76771 MerCruiser V8 Inboard Exhaust Elbow Riser. Direct replacement exhaust elbow riser. Includes plugs, gasket and mounting hardware to mount to the manifold. Replaces MerCruiser 76771A3, Osco 6771, Mallory 9-40556, Sierra 18-1978 and GLM 51190.

Fits MerCruiser V8 198, 228, 255, 260 and 898, inboard and stern drive units (log style direct replacement).

Barr Marine castings have a thicker interior wall, are painted to match original manufacturer colors and are packed in foam for added protection during shipping and storage. Barr manifolds and exhaust connectors are designed to minimize back pressure, and in many cases more r.p.m.''s are achieved after replacing an OEM manifold with Barr replacement parts.

• 3 year limited warranty on Barr exhaust manifolds, risers and exhaust connectors (1 year when used for commercial purposes).

Compatible parts:

• MC-20-60426 direct replacement exhaust elbow riser (utilizes a stainless steel sleeve at the water/air mixing area).
• MC-20-76351 direct replacement exhaust elbow riser.
• MC-20-61851A2 manifold to riser 3" spacers (sold in pairs). Includes all mounting hardware, gaskets and drain plugs.
• 1-60252 direct replacement exhaust manifold end cap/connector.
• 1-60252P front end plate mounting package.
• MC-1-77234P manifold mounting package.
• MC-20-55730 stainless steel fresh water cooling block off plate for use with MerCruiser riser #''s 60426, 76351 and 76771. Requires (2) gaskets part # MC47-27-52076.
• MC-20-60207 stainless steel block off plate (with vent hole) for use with MerCruiser riser #''s 60426, 76351 and 76771. Requires (2) gaskets part # MC47-2752076.
• MC-20-60426P exhaust riser elbow mounting package. For use with both MC-2060426 and MC-20-76351 risers.
• MC-27-48104 alternator mounting bracket.
• MC-29-47441 upper thermostat housing.
• MC-29-78984 lower thermostat housing.
• MC47-27-33395 direct replacement exhaust manifold to head gasket.
• MC47-27-33395A2 exhaust manifold gasket set.
• MC47-27-48043 direct replacement exhaust manifold end cap/connector gasket (will fit both ends).
• MC47-27-99777-3 direct replacement exhaust elbow to manifold gasket.
• MC47-488 KIT thermostat kit (includes gasket and thermostat).
• MC-1-65603 direct replacement water cooled exhaust manifold (starboard side).
• MC-1-65604 direct replacement water cooled exhaust manifold (port side).
• MC-1-6560P manifold mounting package.
• MC-29-62898 upper thermostat housing.
• MC-29-63588 lower thermostat housing.
• MC47-27-73866 direct replacement exhaust manifold to head gasket.

Composite kit picture shown is for reference only. See list of included parts above in the description.

Complete Barr Marine exhaust kit for the MerCruiser V8 225-280 (log style). Everything listed below is included in this kit, so the complete exhaust setup can be ordered under one part number.

Kit includes:

• (1) MC-1-47737 port and (1) MC-1-47738 starboard MerCruiser V8 225-280 Exhaust Manifolds. Direct replacement water cooled exhaust manifold. Includes all plugs, gaskets and mounting hardware to the cylinder head. Port replaces MerCruiser 47737A10. Starboard replaces MerCruiser 47738A10.
• (2) MC-20-76668 MerCruiser V8 I/O Exhaust Elbow Riser. Direct replacement exhaust elbow riser. Includes plugs, gasket and mounting hardware to mount to the manifold. Replaces MerCruiser 76668A3.

Fits MerCruiser V8 225, 250, 255, 270 and 280, inboard and stern drive units (log style direct replacement).

Barr Marine castings have a thicker interior wall, are painted to match original manufacturer colors and are packed in foam for added protection during shipping and storage. Barr manifolds and exhaust connectors are designed to minimize back pressure, and in many cases more r.p.m.''s are achieved after replacing an OEM manifold with Barr replacement parts.

• 3 year limited warranty on Barr exhaust manifolds, risers and exhaust connectors (1 year when used for commercial purposes).

Compatible parts:

• MC-20-72963 direct replacement exhaust elbow riser.
• MC-20-61811A4 manifold to riser 3" spacers (sold in pairs). Includes all mounting hardware, gaskets and drain plugs.
• 1-60252 direct replacement exhaust manifold end cap/connector.
• 1-60252P front end plate mounting package.
• MC-1-77234P manifold mounting package.
• MC-20-72963P exhaust riser elbow mounting package.
• MC-20-76668P exhaust riser elbow mounting package.
• MC-29-47441 upper thermostat housing.
• MC-29-78984 lower thermostat housing.
• MC47-27-33395 direct replacement exhaust manifold to head gasket.
• MC47-27-33395A2 exhaust manifold gasket set.
• MC47-27-48042 direct replacement exhaust elbow to manifold gasket.
• MC47-27-48043 direct replacement exhaust manifold end cap/connector gasket (will fit both ends).
• MC47-488 KIT thermostat kit (includes gasket and thermostat).
• MC-1-47735 direct replacement water cooled exhaust manifold (port side).
• MC-1-47736 direct replacement water cooled exhaust manifold (starboard side).
• MC-27-47487 alternator bracket.
• MC-29-78985 lower thermostat housing.
• MC47-27-46820 direct replacement exhaust manifold to head gasket.

Composite kit picture shown is for reference only. See list of included parts above in the description.

Complete Barr Marine exhaust kit for the MerCruiser V8 225-280 (log style). Everything listed below is included in this kit, so the complete exhaust setup can be ordered under one part number.

Kit includes:

• (1) MC-1-47737 port and (1) MC-1-47738 starboard MerCruiser V8 225-280 Exhaust Manifolds. Direct replacement water cooled exhaust manifold. Includes all plugs, gaskets and mounting hardware to the cylinder head. Port replaces MerCruiser 47737A10. Starboard replaces MerCruiser 47738A10.
• (2) MC-20-72963 MerCruiser V8 Inboard Exhaust Elbow Riser. Direct replacement exhaust elbow riser. Includes plugs, gasket and mounting hardware to mount to the manifold. Replaces MerCruiser 72963A9.

Fits MerCruiser V8 225, 250, 255, 270 and 280, inboard and stern drive units (log style direct replacement).

Barr Marine castings have a thicker interior wall, are painted to match original manufacturer colors and are packed in foam for added protection during shipping and storage. Barr manifolds and exhaust connectors are designed to minimize back pressure, and in many cases more r.p.m.''s are achieved after replacing an OEM manifold with Barr replacement parts.

• 3 year limited warranty on Barr exhaust manifolds, risers and exhaust connectors (1 year when used for commercial purposes).

Compatible parts:

• MC-20-76668 direct replacement exhaust elbow riser.
• MC-20-61811A4 manifold to riser 3" spacers (sold in pairs). Includes all mounting hardware, gaskets and drain plugs.
• 1-60252 direct replacement exhaust manifold end cap/connector.
• 1-60252P front end plate mounting package.
• MC-1-77234P manifold mounting package.
• MC-20-72963P exhaust riser elbow mounting package.
• MC-20-76668P exhaust riser elbow mounting package.
• MC-29-47441 upper thermostat housing.
• MC-29-78984 lower thermostat housing.
• MC47-27-33395 direct replacement exhaust manifold to head gasket.
• MC47-27-33395A2 exhaust manifold gasket set.
• MC47-27-48042 direct replacement exhaust elbow to manifold gasket.
• MC47-27-48043 direct replacement exhaust manifold end cap/connector gasket (will fit both ends).
• MC47-488 KIT thermostat kit (includes gasket and thermostat).
• MC-1-47735 direct replacement water cooled exhaust manifold (port side).
• MC-1-47736 direct replacement water cooled exhaust manifold (starboard side).
• MC-27-47487 alternator bracket.
• MC-29-78985 lower thermostat housing.
• MC47-27-46820 direct replacement exhaust manifold to head gasket.

Composite kit picture shown is for reference only. See list of included parts above in the description.

Complete Barr Marine exhaust kit for the MerCruiser V8 325-400 (log style). Everything listed below is included in this kit, so the complete exhaust setup can be ordered under one part number.

Kit includes:

• (1) MC-1-47735 port and (1) MC-1-47736 starboard MerCruiser V8 325-400 Exhaust Manifolds. Direct replacement water cooled exhaust manifold. Includes all plugs, gaskets and mounting hardware to the cylinder head. Port replaces MerCruiser 47735A17. Starboard replaces MerCruiser 47736A17.
• (2) MC-20-76668 MerCruiser V8 I/O Exhaust Elbow Riser. Direct replacement exhaust elbow riser. Includes plugs, gasket and mounting hardware to mount to the manifold. Replaces MerCruiser 76668A3.

Fits MerCruiser V8 325, 330, 350, 370 and 400, inboard and stern drive units (log style direct replacement).

Barr Marine castings have a thicker interior wall, are painted to match original manufacturer colors and are packed in foam for added protection during shipping and storage. Barr manifolds and exhaust connectors are designed to minimize back pressure, and in many cases more r.p.m.''s are achieved after replacing an OEM manifold with Barr replacement parts.

• 3 year limited warranty on Barr exhaust manifolds, risers and exhaust connectors (1 year when used for commercial purposes).

Compatible parts:

• MC-20-72963 direct replacement exhaust elbow riser.
• MC-20-61811A4 manifold to riser 3" spacers (sold in pairs). Includes all mounting hardware, gaskets and drain plugs.
• 1-60252 direct replacement exhaust manifold end cap/connector.
• 1-60252P front end plate mounting package.
• MC-20-72963P exhaust riser elbow mounting package.
• MC-20-76668P exhaust riser elbow mounting package.
• MC-27-47487 alternator bracket.
• MC-29-47441 upper thermostat housing.
• MC-29-78985 lower thermostat housing.
• MC47-27-46820 direct replacement exhaust manifold to head gasket.
• MC47-27-48042 direct replacement exhaust elbow to manifold gasket.
• MC47-27-48043 direct replacement exhaust manifold end cap/connector gasket (will fit both ends).
• MC47-488 KIT thermostat kit (includes gasket and thermostat).
• MC-1-47737 direct replacement water cooled exhaust manifold (port side).
• MC-1-47738 direct replacement water cooled exhaust manifold (starboard side).
• MC-1-77234P manifold mounting package.
• MC-29-78984 lower thermostat housing.
• MC47-27-33395 direct replacement exhaust manifold to head gasket.
• MC47-27-33395A2 exhaust manifold gasket set.

Composite kit picture shown is for reference only. See list of included parts above in the description.

Complete Barr Marine exhaust kit for the MerCruiser V8 898R, 228R, 260R. Everything listed below is included in this kit, so the complete exhaust setup can be ordered under one part number.

Kit includes:

• (2) MC-1-87114 MerCruiser V8 898R, 228R, 260R Center Rise Exhaust Manifold. Direct replacement water cooled exhaust manifold. Includes all plugs, gaskets and mounting hardware to the cylinder head. Replaces MerCruiser 860246A10/87114A19, Osco 7114B2, Mallory 9-40507, HGE 7114, Sierra 18-1953-2 and GLM 51230.
• (2) MC-20-98502 MerCruiser V8 Center Riser 3 Inch 0 Degree. Direct replacement water cooled center discharge riser. Accepts 3" I.D. exhaust hose (0 degree angle). Includes plugs, gasket and mounting hardware to mount to the manifold. Replaces MerCruiser 98502A2, Mallory 9-40554 and Sierra 18-1974-1.

Fits MerCruiser V8 Models 898R, 228R and 260R (center riser direct replacement).

Barr Marine castings have a thicker interior wall, are painted to match original manufacturer colors and are packed in foam for added protection during shipping and storage. Barr manifolds and exhaust connectors are designed to minimize back pressure, and in many cases more r.p.m.''s are achieved after replacing an OEM manifold with Barr replacement parts.

• 3 year limited warranty on Barr exhaust manifolds, risers and exhaust connectors (1 year when used for commercial purposes).

Compatible parts:

• MC-20-44354 direct replacement water cooled center discharge riser. Accepts 4" I.D. exhaust hose (8 degree angle).
• MC-20-98504 direct replacement water cooled center discharge riser. Accepts 3" I.D. exhaust hose (15 degree angle).
• MC-20-93320A3 manifold to riser 3" spacer blocks (pair) with fastener and gasket package.
• MC-20-93322A3 manifold to riser 6" spacer blocks (pair) with fastener and gasket package.
• MC-20-44354P mounting package for MC-20-44354 riser.
• MC-20-87918 direct replacement stainless steel block off plate for use with MerCruiser riser #''s 98502, 98504 and 44354. Requires (2) gaskets part # MC47-27-41813.
• MC-20-98504P mounting package for MC-20-98504 riser (includes gaskets, drain plug, pipe plug, stainless steel restrictor plate and fasteners).
• MC-20-99208 direct replacement stainless steel restrictor plate for use with MerCruiser riser #''s 98502, 98504 and 44354. Requires (2) gaskets part # MC47-27-41813.
• MC-27-93175 alternator bracket.
• MC-29-47441 upper thermostat housing.
• MC-29-87290 lower thermostat housing.
• MC-50-806926 replacement 3/4" N.P.T. X 1" hose fitting (90 degree)/brass drain cock.
• MC-50-87238 exhaust manifold drain cock.
• MC47-27-33395 direct replacement exhaust manifold to head gasket.
• MC47-27-41811 direct replacement restrictor gasket. To be used with MC-20-87918 ((2) required per plate used).
• MC47-27-41813 direct replacement restrictor gasket.
• MC47-27-87105 direct replacement exhaust elbow gasket.
• MC-1-89011 direct replacement water cooled exhaust manifold.
• MC-27-47487 alternator bracket.
• MC-29-47442 upper thermostat housing.
• MC-29-90736 lower thermostat housing.
• MC47-27-46820 direct replacement exhaust manifold to head gasket.

Composite kit picture shown is for reference only. See list of included parts above in the description.

Complete Barr Marine exhaust kit for the MerCruiser V8 898R, 228R, 260R. Everything listed below is included in this kit, so the complete exhaust setup can be ordered under one part number.

Kit includes:

• (2) MC-1-87114 MerCruiser V8 898R, 228R, 260R Center Rise Exhaust Manifold. Direct replacement water cooled exhaust manifold. Includes all plugs, gaskets and mounting hardware to the cylinder head. Replaces MerCruiser 860246A10/87114A19, Osco 7114B2, Mallory 9-40507, HGE 7114, Sierra 18-1953-2 and GLM 51230.
• (2) MC-20-98502 MerCruiser V8 Center Riser 3 Inch 0 Degree. Direct replacement water cooled center discharge riser. Accepts 3" I.D. exhaust hose (0 degree angle). Includes plugs, gasket and mounting hardware to mount to the manifold. Replaces MerCruiser 98502A2, Mallory 9-40554 and Sierra 18-1974-1.
• (1) MC-20-93320A3 MerCruiser V6, V8 Riser Spacer Blocks 3 Inch Pair. Manifold to riser 3" spacer blocks (pair) with fastener and gasket package. Each spacer block kit includes the spacer block(s) and the corresponding package to mount. Replaces MerCruiser 807476A6, Osco 3320 (single), HGE 3320-PR and GLM 50310.

Fits MerCruiser V8 Models 898R, 228R and 260R (center riser direct replacement).

Barr Marine castings have a thicker interior wall, are painted to match original manufacturer colors and are packed in foam for added protection during shipping and storage. Barr manifolds and exhaust connectors are designed to minimize back pressure, and in many cases more r.p.m.''s are achieved after replacing an OEM manifold with Barr replacement parts.

• 3 year limited warranty on Barr exhaust manifolds, risers and exhaust connectors (1 year when used for commercial purposes).

Compatible parts:

• MC-20-44354 direct replacement water cooled center discharge riser. Accepts 4" I.D. exhaust hose (8 degree angle).
• MC-20-98504 direct replacement water cooled center discharge riser. Accepts 3" I.D. exhaust hose (15 degree angle).
• MC-20-93322A3 manifold to riser 6" spacer blocks (pair) with fastener and gasket package.
• MC-20-44354P mounting package for MC-20-44354 riser.
• MC-20-87918 direct replacement stainless steel block off plate for use with MerCruiser riser #''s 98502, 98504 and 44354. Requires (2) gaskets part # MC47-27-41813.
• MC-20-98504P mounting package for MC-20-98504 riser (includes gaskets, drain plug, pipe plug, stainless steel restrictor plate and fasteners).
• MC-20-99208 direct replacement stainless steel restrictor plate for use with MerCruiser riser #''s 98502, 98504 and 44354. Requires (2) gaskets part # MC47-27-41813.
• MC-27-93175 alternator bracket.
• MC-29-47441 upper thermostat housing.
• MC-29-87290 lower thermostat housing.
• MC-50-806926 replacement 3/4" N.P.T. X 1" hose fitting (90 degree)/brass drain cock.
• MC-50-87238 exhaust manifold drain cock.
• MC47-27-33395 direct replacement exhaust manifold to head gasket.
• MC47-27-41811 direct replacement restrictor gasket. To be used with MC-20-87918 ((2) required per plate used).
• MC47-27-41813 direct replacement restrictor gasket.
• MC47-27-87105 direct replacement exhaust elbow gasket.
• MC-1-89011 direct replacement water cooled exhaust manifold.
• MC-27-47487 alternator bracket.
• MC-29-47442 upper thermostat housing.
• MC-29-90736 lower thermostat housing.
• MC47-27-46820 direct replacement exhaust manifold to head gasket.
• MC-1-99746 direct replacement water cooled exhaust manifold.
• MC47-27-99757 direct replacement manifold to head gasket.

Composite kit picture shown is for reference only. See list of included parts above in the description.

Complete Barr Marine exhaust kit for the MerCruiser V8 898R, 228R, 260R. Everything listed below is included in this kit, so the complete exhaust setup can be ordered under one part number.

Kit includes:

• (2) MC-1-87114 MerCruiser V8 898R, 228R, 260R Center Rise Exhaust Manifold. Direct replacement water cooled exhaust manifold. Includes all plugs, gaskets and mounting hardware to the cylinder head. Replaces MerCruiser 860246A10/87114A19, Osco 7114B2, Mallory 9-40507, HGE 7114, Sierra 18-1953-2 and GLM 51230.
• (2) MC-20-98502 MerCruiser V8 Center Riser 3 Inch 0 Degree. Direct replacement water cooled center discharge riser. Accepts 3" I.D. exhaust hose (0 degree angle). Includes plugs, gasket and mounting hardware to mount to the manifold. Replaces MerCruiser 98502A2, Mallory 9-40554 and Sierra 18-1974-1.
• (1) MC-20-93322A3 MerCruiser V6, V8 Riser Spacer Blocks 6 Inch Pair. Manifold to riser 6" spacer blocks (pair) with fastener and gasket package. Each spacer block kit includes the spacer block(s) and the corresponding package to mount. Replaces MerCruiser 807477A5, Osco 3322 (single) and Mallory 9-40531.

Fits MerCruiser V8 Models 898R, 228R and 260R (center riser direct replacement).

Barr Marine castings have a thicker interior wall, are painted to match original manufacturer colors and are packed in foam for added protection during shipping and storage. Barr manifolds and exhaust connectors are designed to minimize back pressure, and in many cases more r.p.m.''s are achieved after replacing an OEM manifold with Barr replacement parts.

• 3 year limited warranty on Barr exhaust manifolds, risers and exhaust connectors (1 year when used for commercial purposes).

Compatible parts:

• MC-20-44354 direct replacement water cooled center discharge riser. Accepts 4" I.D. exhaust hose (8 degree angle).
• MC-20-98504 direct replacement water cooled center discharge riser. Accepts 3" I.D. exhaust hose (15 degree angle).
• MC-20-93320A3 manifold to riser 3" spacer blocks (pair) with fastener and gasket package.
• MC-20-44354P mounting package for MC-20-44354 riser.
• MC-20-87918 direct replacement stainless steel block off plate for use with MerCruiser riser #''s 98502, 98504 and 44354. Requires (2) gaskets part # MC47-27-41813.
• MC-20-98504P mounting package for MC-20-98504 riser (includes gaskets, drain plug, pipe plug, stainless steel restrictor plate and fasteners).
• MC-20-99208 direct replacement stainless steel restrictor plate for use with MerCruiser riser #''s 98502, 98504 and 44354. Requires (2) gaskets part # MC47-27-41813.
• MC-27-93175 alternator bracket.
• MC-29-47441 upper thermostat housing.
• MC-29-87290 lower thermostat housing.
• MC-50-806926 replacement 3/4" N.P.T. X 1" hose fitting (90 degree)/brass drain cock.
• MC-50-87238 exhaust manifold drain cock.
• MC47-27-33395 direct replacement exhaust manifold to head gasket.
• MC47-27-41811 direct replacement restrictor gasket. To be used with MC-20-87918 ((2) required per plate used).
• MC47-27-41813 direct replacement restrictor gasket.
• MC47-27-87105 direct replacement exhaust elbow gasket.
• MC-1-89011 direct replacement water cooled exhaust manifold.
• MC-27-47487 alternator bracket.
• MC-29-47442 upper thermostat housing.
• MC-29-90736 lower thermostat housing.
• MC47-27-46820 direct replacement exhaust manifold to head gasket.
• MC-1-99746 direct replacement water cooled exhaust manifold.
• MC47-27-99757 direct replacement manifold to head gasket.

Composite kit picture shown is for reference only. See list of included parts above in the description.

Complete Barr Marine exhaust kit for the MerCruiser V8 898R, 228R, 260R. Everything listed below is included in this kit, so the complete exhaust setup can be ordered under one part number.

Kit includes:

• (2) MC-1-87114 MerCruiser V8 898R, 228R, 260R Center Rise Exhaust Manifold. Direct replacement water cooled exhaust manifold. Includes all plugs, gaskets and mounting hardware to the cylinder head. Replaces MerCruiser 860246A10/87114A19, Osco 7114B2, Mallory 9-40507, HGE 7114, Sierra 18-1953-2 and GLM 51230.
• (2) MC-20-98504 MerCruiser V6, V8 Center Riser 3 Inch 15 Degree. Direct replacement water cooled center discharge riser. Accepts 3" I.D. exhaust hose (15 degree angle). Includes plugs, gasket and mounting hardware to mount to the manifold. Replaces MerCruiser 98503A3, Osco 8503A, Mallory 9-40557, Sierra 18-1970-1 and GLM 51110.

Fits MerCruiser V8 Models 898R, 228R and 260R (center riser direct replacement).

Barr Marine castings have a thicker interior wall, are painted to match original manufacturer colors and are packed in foam for added protection during shipping and storage. Barr manifolds and exhaust connectors are designed to minimize back pressure, and in many cases more r.p.m.''s are achieved after replacing an OEM manifold with Barr replacement parts.

• 3 year limited warranty on Barr exhaust manifolds, risers and exhaust connectors (1 year when used for commercial purposes).

Compatible parts:

• MC-20-44354 direct replacement water cooled center discharge riser. Accepts 4" I.D. exhaust hose (8 degree angle).
• MC-20-98502 direct replacement water cooled center discharge riser. Accepts 3" I.D. exhaust hose (0 degree angle).
• MC-20-93320A3 manifold to riser 3" spacer blocks (pair) with fastener and gasket package.
• MC-20-93322A3 manifold to riser 6" spacer blocks (pair) with fastener and gasket package.
• MC-20-44354P mounting package for MC-20-44354 riser.
• MC-20-87918 direct replacement stainless steel block off plate for use with MerCruiser riser #''s 98502, 98504 and 44354. Requires (2) gaskets part # MC47-27-41813.
• MC-20-98504P mounting package for MC-20-98504 riser (includes gaskets, drain plug, pipe plug, stainless steel restrictor plate and fasteners).
• MC-20-99208 direct replacement stainless steel restrictor plate for use with MerCruiser riser #''s 98502, 98504 and 44354. Requires (2) gaskets part # MC47-27-41813.
• MC-27-93175 alternator bracket.
• MC-29-47441 upper thermostat housing.
• MC-29-87290 lower thermostat housing.
• MC-50-806926 replacement 3/4" N.P.T. X 1" hose fitting (90 degree)/brass drain cock.
• MC-50-87238 exhaust manifold drain cock.
• MC47-27-33395 direct replacement exhaust manifold to head gasket.
• MC47-27-41811 direct replacement restrictor gasket. To be used with MC-20-87918 ((2) required per plate used).
• MC47-27-41813 direct replacement restrictor gasket.
• MC47-27-87105 direct replacement exhaust elbow gasket.
• MC-1-89011 direct replacement water cooled exhaust manifold.
• MC-1-99746 direct replacement water cooled exhaust manifold.
• MC-27-47487 alternator bracket.
• MC-29-47442 upper thermostat housing.
• MC-29-90736 lower thermostat housing.
• MC47-27-46820 direct replacement exhaust manifold to head gasket.
• MC47-27-99757 direct replacement manifold to head gasket.

Composite kit picture shown is for reference only. See list of included parts above in the description.

Complete Barr Marine exhaust kit for the MerCruiser V8 898R, 228R, 260R. Everything listed below is included in this kit, so the complete exhaust setup can be ordered under one part number.

Kit includes:

• (2) MC-1-87114 MerCruiser V8 898R, 228R, 260R Center Rise Exhaust Manifold. Direct replacement water cooled exhaust manifold. Includes all plugs, gaskets and mounting hardware to the cylinder head. Replaces MerCruiser 860246A10/87114A19, Osco 7114B2, Mallory 9-40507, HGE 7114, Sierra 18-1953-2 and GLM 51230.
• (2) MC-20-98504 MerCruiser V6, V8 Center Riser 3 Inch 15 Degree. Direct replacement water cooled center discharge riser. Accepts 3" I.D. exhaust hose (15 degree angle). Includes plugs, gasket and mounting hardware to mount to the manifold. Replaces MerCruiser 98503A3, Osco 8503A, Mallory 9-40557, Sierra 18-1970-1 and GLM 51110.
• (1) MC-20-93320A3 MerCruiser V6, V8 Riser Spacer Blocks 3 Inch Pair. Manifold to riser 3" spacer blocks (pair) with fastener and gasket package. Each spacer block kit includes the spacer block(s) and the corresponding package to mount. Replaces MerCruiser 807476A6, Osco 3320 (single), HGE 3320-PR and GLM 50310.

Fits MerCruiser V8 Models 898R, 228R and 260R (center riser direct replacement).

Barr Marine castings have a thicker interior wall, are painted to match original manufacturer colors and are packed in foam for added protection during shipping and storage. Barr manifolds and exhaust connectors are designed to minimize back pressure, and in many cases more r.p.m.''s are achieved after replacing an OEM manifold with Barr replacement parts.

• 3 year limited warranty on Barr exhaust manifolds, risers and exhaust connectors (1 year when used for commercial purposes).

Compatible parts:

• MC-20-44354 direct replacement water cooled center discharge riser. Accepts 4" I.D. exhaust hose (8 degree angle).
• MC-20-98502 direct replacement water cooled center discharge riser. Accepts 3" I.D. exhaust hose (0 degree angle).
• MC-20-93322A3 manifold to riser 6" spacer blocks (pair) with fastener and gasket package.
• MC-20-44354P mounting package for MC-20-44354 riser.
• MC-20-87918 direct replacement stainless steel block off plate for use with MerCruiser riser #''s 98502, 98504 and 44354. Requires (2) gaskets part # MC47-27-41813.
• MC-20-98504P mounting package for MC-20-98504 riser (includes gaskets, drain plug, pipe plug, stainless steel restrictor plate and fasteners).
• MC-20-99208 direct replacement stainless steel restrictor plate for use with MerCruiser riser #''s 98502, 98504 and 44354. Requires (2) gaskets part # MC47-27-41813.
• MC-27-93175 alternator bracket.
• MC-29-47441 upper thermostat housing.
• MC-29-87290 lower thermostat housing.
• MC-50-806926 replacement 3/4" N.P.T. X 1" hose fitting (90 degree)/brass drain cock.
• MC-50-87238 exhaust manifold drain cock.
• MC47-27-33395 direct replacement exhaust manifold to head gasket.
• MC47-27-41811 direct replacement restrictor gasket. To be used with MC-20-87918 ((2) required per plate used).
• MC47-27-41813 direct replacement restrictor gasket.
• MC47-27-87105 direct replacement exhaust elbow gasket.
• MC-1-89011 direct replacement water cooled exhaust manifold.
• MC-1-99746 direct replacement water cooled exhaust manifold.
• MC-27-47487 alternator bracket.
• MC-29-47442 upper thermostat housing.
• MC-29-90736 lower thermostat housing.
• MC47-27-46820 direct replacement exhaust manifold to head gasket.
• MC47-27-99757 direct replacement manifold to head gasket.

Composite kit picture shown is for reference only. See list of included parts above in the description.

Complete Barr Marine exhaust kit for the MerCruiser V8 898R, 228R, 260R. Everything listed below is included in this kit, so the complete exhaust setup can be ordered under one part number.

Kit includes:

• (2) MC-1-87114 MerCruiser V8 898R, 228R, 260R Center Rise Exhaust Manifold. Direct replacement water cooled exhaust manifold. Includes all plugs, gaskets and mounting hardware to the cylinder head. Replaces MerCruiser 860246A10/87114A19, Osco 7114B2, Mallory 9-40507, HGE 7114, Sierra 18-1953-2 and GLM 51230.
• (2) MC-20-98504 MerCruiser V6, V8 Center Riser 3 Inch 15 Degree. Direct replacement water cooled center discharge riser. Accepts 3" I.D. exhaust hose (15 degree angle). Includes plugs, gasket and mounting hardware to mount to the manifold. Replaces MerCruiser 98503A3, Osco 8503A, Mallory 9-40557, Sierra 18-1970-1 and GLM 51110.
• (1) MC-20-93322A3 MerCruiser V6, V8 Riser Spacer Blocks 6 Inch Pair. Manifold to riser 6" spacer blocks (pair) with fastener and gasket package. Each spacer block kit includes the spacer block(s) and the corresponding package to mount. Replaces MerCruiser 807477A5, Osco 3322 (single) and Mallory 9-40531.

Fits MerCruiser V8 Models 898R, 228R and 260R (center riser direct replacement).

Barr Marine castings have a thicker interior wall, are painted to match original manufacturer colors and are packed in foam for added protection during shipping and storage. Barr manifolds and exhaust connectors are designed to minimize back pressure, and in many cases more r.p.m.''s are achieved after replacing an OEM manifold with Barr replacement parts.

• 3 year limited warranty on Barr exhaust manifolds, risers and exhaust connectors (1 year when used for commercial purposes).

Compatible parts:

• MC-20-44354 direct replacement water cooled center discharge riser. Accepts 4" I.D. exhaust hose (8 degree angle).
• MC-20-98502 direct replacement water cooled center discharge riser. Accepts 3" I.D. exhaust hose (0 degree angle).
• MC-20-93320A3 manifold to riser 3" spacer blocks (pair) with fastener and gasket package.
• MC-20-44354P mounting package for MC-20-44354 riser.
• MC-20-87918 direct replacement stainless steel block off plate for use with MerCruiser riser #''s 98502, 98504 and 44354. Requires (2) gaskets part # MC47-27-41813.
• MC-20-98504P mounting package for MC-20-98504 riser (includes gaskets, drain plug, pipe plug, stainless steel restrictor plate and fasteners).
• MC-20-99208 direct replacement stainless steel restrictor plate for use with MerCruiser riser #''s 98502, 98504 and 44354. Requires (2) gaskets part # MC47-27-41813.
• MC-27-93175 alternator bracket.
• MC-29-47441 upper thermostat housing.
• MC-29-87290 lower thermostat housing.
• MC-50-806926 replacement 3/4" N.P.T. X 1" hose fitting (90 degree)/brass drain cock.
• MC-50-87238 exhaust manifold drain cock.
• MC47-27-33395 direct replacement exhaust manifold to head gasket.
• MC47-27-41811 direct replacement restrictor gasket. To be used with MC-20-87918 ((2) required per plate used).
• MC47-27-41813 direct replacement restrictor gasket.
• MC47-27-87105 direct replacement exhaust elbow gasket.
• MC-1-89011 direct replacement water cooled exhaust manifold.
• MC-1-99746 direct replacement water cooled exhaust manifold.
• MC-27-47487 alternator bracket.
• MC-29-47442 upper thermostat housing.
• MC-29-90736 lower thermostat housing.
• MC47-27-46820 direct replacement exhaust manifold to head gasket.
• MC47-27-99757 direct replacement manifold to head gasket.

Composite kit picture shown is for reference only. See list of included parts above in the description.

Complete Barr Marine exhaust kit for the MerCruiser V8 898R, 228R, 260R. Everything listed below is included in this kit, so the complete exhaust setup can be ordered under one part number.

Kit includes:

• (2) MC-1-87114 MerCruiser V8 898R, 228R, 260R Center Rise Exhaust Manifold. Direct replacement water cooled exhaust manifold. Includes all plugs, gaskets and mounting hardware to the cylinder head. Replaces MerCruiser 860246A10/87114A19, Osco 7114B2, Mallory 9-40507, HGE 7114, Sierra 18-1953-2 and GLM 51230.
• (2) MC-20-44354 MerCruiser V6, V8 Center Riser 4 Inch 8 Degree. Direct replacement water cooled center discharge riser. Accepts 4" I.D. exhaust hose (8 degree angle). Includes plugs, gasket and mounting hardware to mount to the manifold. Replaces MerCruiser 807988A2, Osco 4354, Mallory 9-40559, HGE 4354, Sierra 18-1976-1 and GLM 51140.

Fits MerCruiser V8 Models 898R, 228R and 260R (center riser direct replacement).

Barr Marine castings have a thicker interior wall, are painted to match original manufacturer colors and are packed in foam for added protection during shipping and storage. Barr manifolds and exhaust connectors are designed to minimize back pressure, and in many cases more r.p.m.''s are achieved after replacing an OEM manifold with Barr replacement parts.

• 3 year limited warranty on Barr exhaust manifolds, risers and exhaust connectors (1 year when used for commercial purposes).

Compatible parts:

• MC-20-98502 direct replacement water cooled center discharge riser. Accepts 3" I.D. exhaust hose (0 degree angle).
• MC-20-98504 direct replacement water cooled center discharge riser. Accepts 3" I.D. exhaust hose (15 degree angle).
• MC-20-93320A3 manifold to riser 3" spacer blocks (pair) with fastener and gasket package.
• MC-20-93322A3 manifold to riser 6" spacer blocks (pair) with fastener and gasket package.
• MC-20-44354P mounting package for MC-20-44354 riser.
• MC-20-87918 direct replacement stainless steel block off plate for use with MerCruiser riser #''s 98502, 98504 and 44354. Requires (2) gaskets part # MC47-27-41813.
• MC-20-98504P mounting package for MC-20-98504 riser (includes gaskets, drain plug, pipe plug, stainless steel restrictor plate and fasteners).
• MC-20-99208 direct replacement stainless steel restrictor plate for use with MerCruiser riser #''s 98502, 98504 and 44354. Requires (2) gaskets part # MC47-27-41813.
• MC-27-93175 alternator bracket.
• MC-29-47441 upper thermostat housing.
• MC-29-87290 lower thermostat housing.
• MC-50-806926 replacement 3/4" N.P.T. X 1" hose fitting (90 degree)/brass drain cock.
• MC-50-87238 exhaust manifold drain cock.
• MC47-27-33395 direct replacement exhaust manifold to head gasket.
• MC47-27-41811 direct replacement restrictor gasket. To be used with MC-20-87918 ((2) required per plate used).
• MC47-27-41813 direct replacement restrictor gasket.
• MC47-27-87105 direct replacement exhaust elbow gasket.
• MC-1-89011 direct replacement water cooled exhaust manifold.
• MC-1-99746 direct replacement water cooled exhaust manifold.
• MC-27-47487 alternator bracket.
• MC-29-47442 upper thermostat housing.
• MC-29-90736 lower thermostat housing.
• MC47-27-46820 direct replacement exhaust manifold to head gasket.
• MC47-27-99757 direct replacement manifold to head gasket.

Composite kit picture shown is for reference only. See list of included parts above in the description.

Complete Barr Marine exhaust kit for the MerCruiser V8 898R, 228R, 260R. Everything listed below is included in this kit, so the complete exhaust setup can be ordered under one part number.

Kit includes:

• (2) MC-1-87114 MerCruiser V8 898R, 228R, 260R Center Rise Exhaust Manifold. Direct replacement water cooled exhaust manifold. Includes all plugs, gaskets and mounting hardware to the cylinder head. Replaces MerCruiser 860246A10/87114A19, Osco 7114B2, Mallory 9-40507, HGE 7114, Sierra 18-1953-2 and GLM 51230.
• (2) MC-20-44354 MerCruiser V6, V8 Center Riser 4 Inch 8 Degree. Direct replacement water cooled center discharge riser. Accepts 4" I.D. exhaust hose (8 degree angle). Includes plugs, gasket and mounting hardware to mount to the manifold. Replaces MerCruiser 807988A2, Osco 4354, Mallory 9-40559, HGE 4354, Sierra 18-1976-1 and GLM 51140.
• (1) MC-20-93320A3 MerCruiser V6, V8 Riser Spacer Blocks 3 Inch Pair. Manifold to riser 3" spacer blocks (pair) with fastener and gasket package. Each spacer block kit includes the spacer block(s) and the corresponding package to mount. Replaces MerCruiser 807476A6, Osco 3320 (single), HGE 3320-PR and GLM 50310.

Fits MerCruiser V8 Models 898R, 228R and 260R (center riser direct replacement).

Barr Marine castings have a thicker interior wall, are painted to match original manufacturer colors and are packed in foam for added protection during shipping and storage. Barr manifolds and exhaust connectors are designed to minimize back pressure, and in many cases more r.p.m.''s are achieved after replacing an OEM manifold with Barr replacement parts.

• 3 year limited warranty on Barr exhaust manifolds, risers and exhaust connectors (1 year when used for commercial purposes).

Compatible parts:

• MC-20-98502 direct replacement water cooled center discharge riser. Accepts 3" I.D. exhaust hose (0 degree angle).
• MC-20-98504 direct replacement water cooled center discharge riser. Accepts 3" I.D. exhaust hose (15 degree angle).
• MC-20-93322A3 manifold to riser 6" spacer blocks (pair) with fastener and gasket package.
• MC-20-44354P mounting package for MC-20-44354 riser.
• MC-20-87918 direct replacement stainless steel block off plate for use with MerCruiser riser #''s 98502, 98504 and 44354. Requires (2) gaskets part # MC47-27-41813.
• MC-20-98504P mounting package for MC-20-98504 riser (includes gaskets, drain plug, pipe plug, stainless steel restrictor plate and fasteners).
• MC-20-99208 direct replacement stainless steel restrictor plate for use with MerCruiser riser #''s 98502, 98504 and 44354. Requires (2) gaskets part # MC47-27-41813.
• MC-27-93175 alternator bracket.
• MC-29-47441 upper thermostat housing.
• MC-29-87290 lower thermostat housing.
• MC-50-806926 replacement 3/4" N.P.T. X 1" hose fitting (90 degree)/brass drain cock.
• MC-50-87238 exhaust manifold drain cock.
• MC47-27-33395 direct replacement exhaust manifold to head gasket.
• MC47-27-41811 direct replacement restrictor gasket. To be used with MC-20-87918 ((2) required per plate used).
• MC47-27-41813 direct replacement restrictor gasket.
• MC47-27-87105 direct replacement exhaust elbow gasket.
• MC-1-89011 direct replacement water cooled exhaust manifold.
• MC-1-99746 direct replacement water cooled exhaust manifold.
• MC-27-47487 alternator bracket.
• MC-29-47442 upper thermostat housing.
• MC-29-90736 lower thermostat housing.
• MC47-27-46820 direct replacement exhaust manifold to head gasket.
• MC47-27-99757 direct replacement manifold to head gasket.

Composite kit picture shown is for reference only. See list of included parts above in the description.

Complete Barr Marine exhaust kit for the MerCruiser V8 898R, 228R, 260R. Everything listed below is included in this kit, so the complete exhaust setup can be ordered under one part number.

Kit includes:

• (2) MC-1-87114 MerCruiser V8 898R, 228R, 260R Center Rise Exhaust Manifold. Direct replacement water cooled exhaust manifold. Includes all plugs, gaskets and mounting hardware to the cylinder head. Replaces MerCruiser 860246A10/87114A19, Osco 7114B2, Mallory 9-40507, HGE 7114, Sierra 18-1953-2 and GLM 51230.
• (2) MC-20-44354 MerCruiser V6, V8 Center Riser 4 Inch 8 Degree. Direct replacement water cooled center discharge riser. Accepts 4" I.D. exhaust hose (8 degree angle). Includes plugs, gasket and mounting hardware to mount to the manifold. Replaces MerCruiser 807988A2, Osco 4354, Mallory 9-40559, HGE 4354, Sierra 18-1976-1 and GLM 51140.
• (1) MC-20-93322A3 MerCruiser V6, V8 Riser Spacer Blocks 6 Inch Pair. Manifold to riser 6" spacer blocks (pair) with fastener and gasket package. Each spacer block kit includes the spacer block(s) and the corresponding package to mount. Replaces MerCruiser 807477A5, Osco 3322 (single) and Mallory 9-40531.

Fits MerCruiser V8 Models 898R, 228R and 260R (center riser direct replacement).

Barr Marine castings have a thicker interior wall, are painted to match original manufacturer colors and are packed in foam for added protection during shipping and storage. Barr manifolds and exhaust connectors are designed to minimize back pressure, and in many cases more r.p.m.''s are achieved after replacing an OEM manifold with Barr replacement parts.

• 3 year limited warranty on Barr exhaust manifolds, risers and exhaust connectors (1 year when used for commercial purposes).

Compatible parts:

• MC-20-98502 direct replacement water cooled center discharge riser. Accepts 3" I.D. exhaust hose (0 degree angle).
• MC-20-98504 direct replacement water cooled center discharge riser. Accepts 3" I.D. exhaust hose (15 degree angle).
• MC-20-93320A3 manifold to riser 3" spacer blocks (pair) with fastener and gasket package.
• MC-20-44354P mounting package for MC-20-44354 riser.
• MC-20-87918 direct replacement stainless steel block off plate for use with MerCruiser riser #''s 98502, 98504 and 44354. Requires (2) gaskets part # MC47-27-41813.
• MC-20-98504P mounting package for MC-20-98504 riser (includes gaskets, drain plug, pipe plug, stainless steel restrictor plate and fasteners).
• MC-20-99208 direct replacement stainless steel restrictor plate for use with MerCruiser riser #''s 98502, 98504 and 44354. Requires (2) gaskets part # MC47-27-41813.
• MC-27-93175 alternator bracket.
• MC-29-47441 upper thermostat housing.
• MC-29-87290 lower thermostat housing.
• MC-50-806926 replacement 3/4" N.P.T. X 1" hose fitting (90 degree)/brass drain cock.
• MC-50-87238 exhaust manifold drain cock.
• MC47-27-33395 direct replacement exhaust manifold to head gasket.
• MC47-27-41811 direct replacement restrictor gasket. To be used with MC-20-87918 ((2) required per plate used).
• MC47-27-41813 direct replacement restrictor gasket.
• MC47-27-87105 direct replacement exhaust elbow gasket.
• MC-1-89011 direct replacement water cooled exhaust manifold.
• MC-1-99746 direct replacement water cooled exhaust manifold.
• MC-27-47487 alternator bracket.
• MC-29-47442 upper thermostat housing.
• MC-29-90736 lower thermostat housing.
• MC47-27-46820 direct replacement exhaust manifold to head gasket.
• MC47-27-99757 direct replacement manifold to head gasket.

Composite kit picture shown is for reference only. See list of included parts above in the description.

Mercruiser 305/350/377, 5.0/5.7/6.2 Small Block Chevy Exhaust Manifold Assembly (Iron Casting) replaces MerCruiser part # 860246A10

Fits: Mercruiser Model GM 305/350/377, 5.0/5.7/6.2 V8 Small Block Chevrolet 1983-2003. Can be used with 3" or 4" riser.

• Direct Replacement for Mercruiser 1987-2002 Small Block Chevy 305/5.0L and 350/5.7L Manifolds and Risers
• Constructed from Heavy Duty Cast Iron
• Individual Runners for Improved Performance over Stock Manifolds
• 4 inch, Standard Risers with 7 degree down angle. accepts 4" hose or bellows
• Kit Includes all gaskets and bolts needed for installation

Mercruiser OEM V8 SBC 305/5.0L and 350/5.7L Exhaust Manifold and Riser Kit w/out Spacer

• Direct OEM Manufactured Replacement for Mercruiser Small Block Chevy 305/350 Manifolds and Risers
• Manifolds and 4" Risers Constructed from Cast Iron and painted with black corrosion resistant paint.
• Replaces Mercruiser #860246A10 and 860246Q11 Manifolds
• Replaces Mercruiser #807988Q03, 807988A03 and 44354A3 Risers