430-1030 Complete Barr Marine exhaust kit for the MerCruiser V8 330, 340, 454 MAG. Everything listed below is included in this kit, so the complete exhaust setup can be ordered under one part number. Kit includes: - (2) MC-1-89011 MerCruiser V8 330, 340, 454 MAG Center Rise Exhaust Manifold. Direct replacement water cooled exhaust manifold. Includes all plugs, gaskets and mounting hardware to the cylinder head. Replaces MerCruiser 807078A6, Osco 9011, Mallory 9-40506, HGE 9011, Sierra 18-1957 and GLM 51240.
- (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 330, 340 and 454 Magnum, inboard and stern drive units (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-27-47487 alternator bracket.
- MC-29-47442 upper thermostat housing.
- MC-29-90736 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.
- MC47-27-41811 direct replacement restrictor gasket. To be used with MC-20-87918 ((2) required per plate used).
- MC47-27-41813 direct replacement restrictor gasket.
- MC47-27-46820 direct replacement exhaust manifold to head gasket.
- MC47-27-87105 direct replacement exhaust elbow gasket.
- MC-1-87114 direct replacement water cooled exhaust manifold.
- MC-27-93175 alternator bracket.
- MC-29-47441 upper thermostat housing.
- MC-29-87290 lower thermostat housing.
- MC47-27-33395 direct replacement exhaust manifold to head gasket.
Composite kit picture shown is for reference only. See list of included parts above in the description.
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430-1040 Complete Barr Marine exhaust kit for the MerCruiser V8 330, 340, 454 MAG. Everything listed below is included in this kit, so the complete exhaust setup can be ordered under one part number. Kit includes: - (2) MC-1-89011 MerCruiser V8 330, 340, 454 MAG Center Rise Exhaust Manifold. Direct replacement water cooled exhaust manifold. Includes all plugs, gaskets and mounting hardware to the cylinder head. Replaces MerCruiser 807078A6, Osco 9011, Mallory 9-40506, HGE 9011, Sierra 18-1957 and GLM 51240.
- (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 330, 340 and 454 Magnum, inboard and stern drive units (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-27-47487 alternator bracket.
- MC-29-47442 upper thermostat housing.
- MC-29-90736 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.
- MC47-27-41811 direct replacement restrictor gasket. To be used with MC-20-87918 ((2) required per plate used).
- MC47-27-41813 direct replacement restrictor gasket.
- MC47-27-46820 direct replacement exhaust manifold to head gasket.
- MC47-27-87105 direct replacement exhaust elbow gasket.
- MC-1-87114 direct replacement water cooled exhaust manifold.
- MC-27-93175 alternator bracket.
- MC-29-47441 upper thermostat housing.
- MC-29-87290 lower thermostat housing.
- MC47-27-33395 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.
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430-1050 Complete Barr Marine exhaust kit for the MerCruiser V8 330, 340, 454 MAG. Everything listed below is included in this kit, so the complete exhaust setup can be ordered under one part number. Kit includes: - (2) MC-1-89011 MerCruiser V8 330, 340, 454 MAG Center Rise Exhaust Manifold. Direct replacement water cooled exhaust manifold. Includes all plugs, gaskets and mounting hardware to the cylinder head. Replaces MerCruiser 807078A6, Osco 9011, Mallory 9-40506, HGE 9011, Sierra 18-1957 and GLM 51240.
- (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 330, 340 and 454 Magnum, inboard and stern drive units (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-27-47487 alternator bracket.
- MC-29-47442 upper thermostat housing.
- MC-29-90736 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.
- MC47-27-41811 direct replacement restrictor gasket. To be used with MC-20-87918 ((2) required per plate used).
- MC47-27-41813 direct replacement restrictor gasket.
- MC47-27-46820 direct replacement exhaust manifold to head gasket.
- MC47-27-87105 direct replacement exhaust elbow gasket.
- MC-1-87114 direct replacement water cooled exhaust manifold.
- MC-27-93175 alternator bracket.
- MC-29-47441 upper thermostat housing.
- MC-29-87290 lower thermostat housing.
- MC47-27-33395 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.
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430-1060 Complete Barr Marine exhaust kit for the MerCruiser V8 330, 340, 454 MAG. Everything listed below is included in this kit, so the complete exhaust setup can be ordered under one part number. Kit includes: - (2) MC-1-89011 MerCruiser V8 330, 340, 454 MAG Center Rise Exhaust Manifold. Direct replacement water cooled exhaust manifold. Includes all plugs, gaskets and mounting hardware to the cylinder head. Replaces MerCruiser 807078A6, Osco 9011, Mallory 9-40506, HGE 9011, Sierra 18-1957 and GLM 51240.
- (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 330, 340 and 454 Magnum, inboard and stern drive units (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-27-47487 alternator bracket.
- MC-29-47442 upper thermostat housing.
- MC-29-90736 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.
- MC47-27-41811 direct replacement restrictor gasket. To be used with MC-20-87918 ((2) required per plate used).
- MC47-27-41813 direct replacement restrictor gasket.
- MC47-27-46820 direct replacement exhaust manifold to head gasket.
- MC47-27-87105 direct replacement exhaust elbow gasket.
- MC-1-87114 direct replacement water cooled exhaust manifold.
- MC-1-99746 direct replacement water cooled exhaust manifold.
- MC-27-93175 alternator bracket.
- MC-29-47441 upper thermostat housing.
- MC-29-87290 lower thermostat housing.
- MC47-27-33395 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.
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430-1070 Complete Barr Marine exhaust kit for the MerCruiser V8 330, 340, 454 MAG. Everything listed below is included in this kit, so the complete exhaust setup can be ordered under one part number. Kit includes: - (2) MC-1-89011 MerCruiser V8 330, 340, 454 MAG Center Rise Exhaust Manifold. Direct replacement water cooled exhaust manifold. Includes all plugs, gaskets and mounting hardware to the cylinder head. Replaces MerCruiser 807078A6, Osco 9011, Mallory 9-40506, HGE 9011, Sierra 18-1957 and GLM 51240.
- (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 330, 340 and 454 Magnum, inboard and stern drive units (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-27-47487 alternator bracket.
- MC-29-47442 upper thermostat housing.
- MC-29-90736 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.
- MC47-27-41811 direct replacement restrictor gasket. To be used with MC-20-87918 ((2) required per plate used).
- MC47-27-41813 direct replacement restrictor gasket.
- MC47-27-46820 direct replacement exhaust manifold to head gasket.
- MC47-27-87105 direct replacement exhaust elbow gasket.
- MC-1-87114 direct replacement water cooled exhaust manifold.
- MC-1-99746 direct replacement water cooled exhaust manifold.
- MC-27-93175 alternator bracket.
- MC-29-47441 upper thermostat housing.
- MC-29-87290 lower thermostat housing.
- MC47-27-33395 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.
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430-1080 Complete Barr Marine exhaust kit for the MerCruiser V8 330, 340, 454 MAG. Everything listed below is included in this kit, so the complete exhaust setup can be ordered under one part number. Kit includes: - (2) MC-1-89011 MerCruiser V8 330, 340, 454 MAG Center Rise Exhaust Manifold. Direct replacement water cooled exhaust manifold. Includes all plugs, gaskets and mounting hardware to the cylinder head. Replaces MerCruiser 807078A6, Osco 9011, Mallory 9-40506, HGE 9011, Sierra 18-1957 and GLM 51240.
- (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 330, 340 and 454 Magnum, inboard and stern drive units (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-27-47487 alternator bracket.
- MC-29-47442 upper thermostat housing.
- MC-29-90736 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.
- MC47-27-41811 direct replacement restrictor gasket. To be used with MC-20-87918 ((2) required per plate used).
- MC47-27-41813 direct replacement restrictor gasket.
- MC47-27-46820 direct replacement exhaust manifold to head gasket.
- MC47-27-87105 direct replacement exhaust elbow gasket.
- MC-1-87114 direct replacement water cooled exhaust manifold.
- MC-1-99746 direct replacement water cooled exhaust manifold.
- MC-27-93175 alternator bracket.
- MC-29-47441 upper thermostat housing.
- MC-29-87290 lower thermostat housing.
- MC47-27-33395 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.
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430-1000 Complete Barr Marine exhaust kit for the MerCruiser V8 330, 340, 454 MAG. Everything listed below is included in this kit, so the complete exhaust setup can be ordered under one part number. Kit includes: - (2) MC-1-89011 MerCruiser V8 330, 340, 454 MAG Center Rise Exhaust Manifold. Direct replacement water cooled exhaust manifold. Includes all plugs, gaskets and mounting hardware to the cylinder head. Replaces MerCruiser 807078A6, Osco 9011, Mallory 9-40506, HGE 9011, Sierra 18-1957 and GLM 51240.
- (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 330, 340 and 454 Magnum, inboard and stern drive units (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-27-47487 alternator bracket.
- MC-29-47442 upper thermostat housing.
- MC-29-90736 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.
- MC47-27-41811 direct replacement restrictor gasket. To be used with MC-20-87918 ((2) required per plate used).
- MC47-27-41813 direct replacement restrictor gasket.
- MC47-27-46820 direct replacement exhaust manifold to head gasket.
- MC47-27-87105 direct replacement exhaust elbow gasket.
- MC-1-87114 direct replacement water cooled exhaust manifold.
- MC-1-99746 direct replacement water cooled exhaust manifold.
- MC-27-93175 alternator bracket.
- MC-29-47441 upper thermostat housing.
- MC-29-87290 lower thermostat housing.
- MC47-27-33395 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.
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430-1010 Complete Barr Marine exhaust kit for the MerCruiser V8 330, 340, 454 MAG. Everything listed below is included in this kit, so the complete exhaust setup can be ordered under one part number. Kit includes: - (2) MC-1-89011 MerCruiser V8 330, 340, 454 MAG Center Rise Exhaust Manifold. Direct replacement water cooled exhaust manifold. Includes all plugs, gaskets and mounting hardware to the cylinder head. Replaces MerCruiser 807078A6, Osco 9011, Mallory 9-40506, HGE 9011, Sierra 18-1957 and GLM 51240.
- (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 330, 340 and 454 Magnum, inboard and stern drive units (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-27-47487 alternator bracket.
- MC-29-47442 upper thermostat housing.
- MC-29-90736 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.
- MC47-27-41811 direct replacement restrictor gasket. To be used with MC-20-87918 ((2) required per plate used).
- MC47-27-41813 direct replacement restrictor gasket.
- MC47-27-46820 direct replacement exhaust manifold to head gasket.
- MC47-27-87105 direct replacement exhaust elbow gasket.
- MC-1-87114 direct replacement water cooled exhaust manifold.
- MC-1-99746 direct replacement water cooled exhaust manifold.
- MC-27-93175 alternator bracket.
- MC-29-47441 upper thermostat housing.
- MC-29-87290 lower thermostat housing.
- MC47-27-33395 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.
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430-1020 Complete Barr Marine exhaust kit for the MerCruiser V8 330, 340, 454 MAG. Everything listed below is included in this kit, so the complete exhaust setup can be ordered under one part number. Kit includes: - (2) MC-1-89011 MerCruiser V8 330, 340, 454 MAG Center Rise Exhaust Manifold. Direct replacement water cooled exhaust manifold. Includes all plugs, gaskets and mounting hardware to the cylinder head. Replaces MerCruiser 807078A6, Osco 9011, Mallory 9-40506, HGE 9011, Sierra 18-1957 and GLM 51240.
- (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 330, 340 and 454 Magnum, inboard and stern drive units (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-27-47487 alternator bracket.
- MC-29-47442 upper thermostat housing.
- MC-29-90736 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.
- MC47-27-41811 direct replacement restrictor gasket. To be used with MC-20-87918 ((2) required per plate used).
- MC47-27-41813 direct replacement restrictor gasket.
- MC47-27-46820 direct replacement exhaust manifold to head gasket.
- MC47-27-87105 direct replacement exhaust elbow gasket.
- MC-1-87114 direct replacement water cooled exhaust manifold.
- MC-1-99746 direct replacement water cooled exhaust manifold.
- MC-27-93175 alternator bracket.
- MC-29-47441 upper thermostat housing.
- MC-29-87290 lower thermostat housing.
- MC47-27-33395 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.
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This Part has options, please click the button below to order.
525-454 Mercruiser OEM V8 BBC 454/7.4L and 502/8.2L Exhaust Manifold and Riser Kit w/out Spacer
| Qty |
Description |
OEM # |
| 2 |
Exhaust Elbow |
807988Q03 |
| 2 |
Exhaust Manifold Assy. (with drain plug) |
807078T08 |
| 2 |
Gasket-Elbow |
27-863724 (2 Slot, Restricted) or 27-863726 (4 Slot, Full Flow), or 27-863725-1 (Block Off, For Closed Cooling) |
| 2 |
Gasket-Manifold |
27-46820 |
- Direct OEM Manufactured Replacement for Mercruiser Big Block Chevy 454/502 Manifolds and Risers
- Manifolds and 4" Risers Constructed from Cast Iron and painted with black corrosion resistant paint.
- Replaces Mercruiser #807078T08 and 89011A8 Manifolds
- Replaces Mercruiser #807988Q03, 807988A03 and 44354A3 Risers
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This Part has options, please click the button below to order.
525-4543 Mercruiser OEM V8 BBC 454/7.4L and 502/8.2L Exhaust Manifold and Riser Kit w/ 3" Spacer
| Qty |
Description |
OEM # |
| 2 |
Exhaust Elbow |
807988Q03 |
| 2 |
Exhaust Manifold Assy. (with drain plug) |
807078T08 |
| 1 |
3" Spacer Kit with Elbow Gaskets |
93320A13 |
| 2 |
Gasket-Manifold |
27-46820 |
- Direct OEM Manufactured Replacement for Mercruiser Big Block Chevy 454/502 Manifolds and Risers
- Manifolds and 4" Risers Constructed from Cast Iron and painted with black corrosion resistant paint.
- Replaces Mercruiser #807078T08 and 89011A8 Manifolds
- Replaces Mercruiser #807988Q03, 807988A03 and 44354A3 Risers
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This Part has options, please click the button below to order.
525-4546 Mercruiser OEM V8 BBC 454/7.4L and 502/8.2L Exhaust Manifold and Riser Kit w/ 6" Spacer
| Qty |
Description |
OEM # |
| 2 |
Exhaust Elbow |
807988Q03 |
| 2 |
Exhaust Manifold Assy. (with drain plug) |
807078T08 |
| 1 |
6" Spacer Kit with Elbow Gaskets |
93322A12 |
| 2 |
Gasket-Manifold |
27-46820 |
- Direct OEM Manufactured Replacement for Mercruiser Big Block Chevy 454/502 Manifolds and Risers
- Manifolds and 4" Risers Constructed from Cast Iron and painted with black corrosion resistant paint.
- Replaces Mercruiser #807078T08 and 89011A8 Manifolds
- Replaces Mercruiser #807988Q03, 807988A03 and 44354A3 Risers
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700-58242 Mercruiser GM V8 BBC 454/7.4L and 502/8.2L Raw/Fresh Water Cooling System w/out Spacer
| Qty |
Description |
OEM # |
| 2 |
Exhaust Elbow |
807988A2 |
| 2 |
Exhaust Manifold Assy. |
807078A6 |
| 2 |
Gasket-Elbow |
27-863724 |
| 2 |
Gasket-Manifold |
27-46820 |
| 8 |
Screw-Steel-Zinc Placted |
10-43749 |
| 2 |
Hose Fitting w/ Drain Plug Kit |
22-806926A1 |
- Direct Replacement for Mercruiser Big Block Chevy 454/502 Manifolds and Risers
- Manifolds and 4" Risers Constructed from Cast Iron and painted with black corrosion resistant paint.
- Individual Runners for Improved Performance over Stock Manifolds
- Replaces Mercruiser #807078T10 and 89011A8 Manifolds
- Replaces Mercruiser #807988A03 and 44354A3 Risers
- Includes Bolts and Gaskets
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700-58244 Stock Mercury Replacement BBC 454/7.4L and 502/8.1L Cast Iron Exhaust Kit w/ 3” Spacer
Mercury Big Block Chevy Exhaust kit with 3 Inch Spacer. This kit has 4 Inch Elbow Kit used with 4" exhaust hose. For 1981 & Up.
| Qty |
Description |
OEM # |
| 2 |
Exhaust Elbow |
807988A2 |
| 2 |
Exhaust Manifold Assy. |
807078A6 |
| 2 |
Spacer 3" |
807476A3 |
| 2 |
Gasket-Fresh Water |
27-860231 |
| 2 |
Gasket-Raw Water |
27-863724 |
| 2 |
Gasket |
27-863726 |
| 2 |
Gasket |
27-46820 |
| 8 |
Flange Serrated Nut |
11-49836 |
| 8 |
Stud (3/8" x 9-1/2") |
16-11375 |
| 2 |
Hose Fitting w/ Drain Plug Kit |
22-806926A1 |
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700-58246 Stock Mercury Replacement BBC 454/7.4L and 502/8.1L Cast Iron Exhaust Kit w/ 6” Spacer
Mercury Big Block Chevy Exhaust Kit with 6 Inch Spacer. This kit has 3 Inch Elbow Kit used with 4" exhaust hose. For 1981 & Up.
| Qty |
Description |
OEM # |
| 2 |
Exhaust Elbow |
807988A2 |
| 2 |
Exhaust Manifold Assy. |
807078A6 |
| 2 |
Spacer 6" |
807477A2 |
| 2 |
Gasket-Fresh Water |
27-860231 |
| 2 |
Gasket-Raw Water |
27-863724 |
| 2 |
Gasket |
27-863726 |
| 2 |
Gasket |
27-46820 |
| 8 |
Screw |
10-12244 |
| 8 |
Screw |
10-43749 |
| 2 |
Hose Fitting w/ Drain Plug Kit |
22-806926A1 |
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700-58241 Mercury Replacement Big Block Chevy 454/7.4L and 502/8.2L (Cast Iron) 3" Exhaust Kit
| Qty |
Description |
OEM # |
| 2 |
Exhaust Elbow |
98504A3 |
| 2 |
Exhaust Manifold Assy. |
807078A6 |
| 2 |
Gasket-Elbow |
27-863724 |
| 2 |
Gasket-Manifold |
27-46820 |
| 8 |
Flange Serrated Nut |
11-49838 |
| 8 |
Stud (Steel) |
16-49545 |
| 2 |
Hose Fitting w/ Drain Plug Kit |
22-806926A1 |
- Direct Replacement for Mercruiser Big Block Chevy 454/502 Manifolds and Risers
- Manifolds and 3" Risers Constructed from Cast Iron and painted with black corrosion resistant paint.
- Riser has 15° down angle mounts with studs and nuts 1983-1995 Mercruiser V6, V8 engines with the center rise manifolds, uses 3" hose or bellows
- Individual Runners for Improved Performance over Stock Manifolds
- Replaces Mercruiser #807078T10 and 89011A8 Manifolds
- Replaces Mercruiser #98504A3 Risers
- Includes Bolts and Gaskets
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700-58243 Stock Mercury Replacement BBC 454/7.4L and 502/8.1L Cast Iron Exhaust Kit w/ 3” Spacer
Mercury Big Block Chevy Exhaust Kit with 3 Inch Spacer. This kit has 3 Inch Elbow Kit used with 3" exhaust hose. For 1981 & Up.
| Qty |
Description |
OEM # |
| 2 |
Exhaust Elbow |
98504A3 |
| 2 |
Exhaust Manifold Assy. |
807078A6 |
| 2 |
Spacer 3" |
807476A3 |
| 2 |
Gasket-Elbow |
27-863724 |
| 2 |
Gasket-Elbow |
27-863726 |
| 2 |
Gasket-Manifold |
27-46820 |
| 8 |
Flange Serrated Nut |
11-49838 |
| 8 |
Stud |
16-97520 |
| 2 |
Hose Fitting w/ Drain Plug Kit |
22-806926A1 |
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700-58245 Stock Mercury Replacement BBC 454/7.4L and 502/8.1L Cast Iron Exhaust Kit w/ 6” Spacer
Mercury Big Block Chevy Exhaust Kit with 6 Inch Spacer. This kit has 3 Inch Elbow Kit used with 3" exhaust hose. For 1981 & Up.
| Qty |
Description |
OEM # |
| 2 |
Exhaust Elbow |
98504A3 |
| 2 |
Exhaust Manifold Assy. |
807078A6 |
| 2 |
Spacer 6" |
807477A2 |
| 2 |
Gasket-Elbow |
27-863724 |
| 2 |
Gasket-Elbow |
27-863726 |
| 2 |
Gasket-Manifold |
27-46820 |
| 16 |
Screw |
10-12244 |
| 2 |
Hose Fitting w/ Drain Plug Kit |
22-806926A1 |
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700-51240 Mercruiser Big Block Chevy Exhaust Manifold Kit 454/502 89011A8 / 807078T08
| Qty |
Description |
OEM # |
| 1 |
Exhaust Manifold |
807078T08 |
| 1 |
Hose Fitting w/ Drain Plug |
22-806926A1 |
| 1 |
Gasket-Elbow |
27-863724 |
| 1 |
Gasket-Manifold |
27-46820 |
- Direct Replacement for Mercruiser Big Block Chevy 454/502 Manifold
- Manifold Constructed from Cast Iron and painted with black corrosion resistant paint.
- Individual Runners for Improved Performance over Stock Manifold
- Replaces Mercruiser #807078T10, 80707T08 and 89011A8, 807078A6 Manifolds.
- Can use with 4" or 3" Riser
- Includes Gaskets
- 3-Year Warranty
- Sold Each.
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