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

Exhaust Manifold Assembly 860246A10
Your Price:
$163.99

Mercruiser 305/350 5.0/5.7L Small Block Chevy Exhaust Manifold Assembly 860246A10

700-51230

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

Qty Description OEM #
1 Exhaust Manifold 860246Q11
1 Hose Fitting w/ Drain Plug 22-806926A1
1 Gasket-Elbow 27-863724
1 Gasket-Manifold 27-33395
1 Plug N/A


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.


GM V8 Complete Manifold & Conversion Kit
Your Price:
$468.99

Stock Mercruiser Replacement Small Block Chevy 305/350 5.0/5.7L Cast Iron Exhaust Kit (4" Hose Connection)

700-58232

Qty Description OEM #
2 Exhaust Elbow 807988A2
2 Exhaust Manifold Assy. 860246A10
2 Gasket-Fresh Water 27-860231
2 Gasket-Raw Water 27-863724
2 Gasket 27-33395
8 Screw-Steel-Zinc Plated 10-43749
1 Hose Fitting w/ Drain Plug Kit 22-806926A1
  • 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

GM V8 BB Exhaust Manifold System Set

Your Price:
$699.99

This Part has options, please click the button below to order.

Stock Mercury OEM Small Block Chevy 305 / 350 Cast Iron 4" Exhaust Manifold and Riser Kit - 860246A10

525-350

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

Qty Description OEM #
2 Exhaust Elbow 807988Q03
2 Exhaust Manifold Assy. (with  drain plug) 860246Q11
2 Gasket-Elbow 27-863724 (2 Slot, Restricted) or 27-863726 (4 Slot, Full Flow), or 27-860321 (Block Off, For Closed Cooling)
2 Gasket-Manifold 27-33395
  • 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

GM V8 BB Exhaust Manifold System Set

Your Price:
$1,229.99

This Part has options, please click the button below to order.

Stock Mercury OEM Small Block Chevy 350 Dry Joint Cast Iron 4" Exhaust Manifold and 7 Degree Riser Kit - 865735A02

525-35007

Mercruiser OEM V8 SBC 350 Dry Joint Exhaust Manifold and 7 Degree Riser Kit w/out Spacer (2002- Early 2005)

Qty Description OEM #
2 Exhaust Elbow 864309T02 (7 Degree)
2 Exhaust Manifold Assy. (with  drain plug) 865735A02
2 Gasket-Elbow (2 Slot, Restricted) or (4 Slot, Full Flow), or (Block Off, For Closed Cooling)
2 Gasket-Manifold 27-33395
  • Direct OEM Manufactured Replacement for Mercruiser Small Block Chevy 350 Dry Joint Manifolds and Risers
  • Manifolds and 4" Risers Constructed from Cast Iron and painted with black corrosion resistant paint.
  • Replaces Mercruiser #865735A02 and 864308T01 Manifolds
  • Replaces Mercruiser #864591T02 Risers
  • Fits 2002 - Early 2005 systems with 7 Degree risers. Fits Serial Numbers 0M600000 - OW309999.

GM V8 BB Exhaust Manifold System Set

Your Price:
$1,319.99

This Part has options, please click the button below to order.

Stock Mercury OEM Small Block Chevy 350 Dry Joint Cast Iron 4" Exhaust Manifold and Riser Kit - 865735A02

525-35014

Mercruiser OEM V8 SBC 350 Dry Joint Exhaust Manifold and 14 Degree Riser Kit w/out Spacer

Qty Description OEM #
2 Exhaust Elbow 864591T02 (14 Degree)
2 Exhaust Manifold Assy. (with  drain plug) 865735A02
2 Gasket-Elbow (2 Slot, Restricted) or (4 Slot, Full Flow), or (Block Off, For Closed Cooling)
2 Gasket-Manifold 27-33395
  • Direct OEM Manufactured Replacement for Mercruiser Small Block Chevy 350 Dry Joint Manifolds and Risers
  • Manifolds and 4" Risers Constructed from Cast Iron and painted with black corrosion resistant paint.
  • Replaces Mercruiser #865735A02 and 864308T01 Manifolds
  • Replaces Mercruiser #864591T02 Risers
  • Fits 2002 and newer 350/377 engines with dry joint exhaust serial 0M317000 and up.
  • Fits 2004 and newer 305, 350 and 377 engines with dry joint exhaust serial 0W310000 and up.

Complete Manifold & Conversion Kit
Your Price:
$466.99

Stock Mercruiser Replacement Small Block Chevy 305/350 5.0/5.7L Cast Iron Exhaust Kit (3" Hose Connection)

700-58231

Stock Mercruiser Replacement Small Block Chevy 305/350 5.0/5.7L Cast Iron Exhaust Kit (3" Hose Connection)
GM V8 Small Block without Spacer, 3in Elbow Kit

Qty Description OEM #
2 Exhaust Elbow 98504A3
2 Exhaust Manifold 860246A10
2 Gasket-Manifold 27-33395
2 Gasket-Elbow 27-863724
8 Stud (Steel) 16-49545
8 Flanged Serrated Nut 11-46335
2 Drain Plug Kit 22-806926A1

GM V8 SB Conversion Kits w/ 3” Spacer
Your Price:
$682.99

Mercruiser V8 SBC, 305/350, 5.0/5.7L Complete Exhaust System w/ 3” Spacer

700-58234

Mercruiser V8 Small Block Chevy (SBC), 305/350, 5.0/5.7L Complete Exhaust System w/ 3” Spacer, 4" Riser

Includes gaskets for both freshwater and raw water cooling. Replaces factory Mercruiser OEM Part Numbers:

Qty Description OEM #
2 Exhaust Elbow 807988A2
2 Exhaust Manifold Assy. 860246A10
2 Spacer 3" 807476A3
2 Gasket-Fresh Water 27-860231
2 Gasket-Raw Water 27-863724
2 Gasket 27-863726
2 Gasket 27-33395
8 Flange Serrated Nut 11-49838
8 Stud (3/8" x 9-1/2") 16-11375
1 Hose Fitting w/ Drain Plug 22-806926A1

GM V8 Small Block Conversion Kit
Your Price:
$687.99

Mercruiser V8 SBC, 305/350, 5.0/5.7L Complete Exhaust System w/ 3” Spacer (3" Hose Version)

700-58233

Mercruiser V8 Small Block Chevy (SBC), 305/350, 5.0/5.7L Complete Exhaust System w/ 3” Spacer, 3" Hose Riser
Includes gaskets for both freshwater and raw water cooling. Replaces factory Mercruiser OEM Part Numbers:

Qty Description OEM #
2 Exhaust Elbow 98504A3
2 Exhaust Manifold Assy. 860246A10
2 Spacer 3" 807476A3
2 Gasket-Fresh Water 27-860231
2 Gasket-Raw Water 27-863724
2 Gasket 27-863726
2 Gasket 27-33395
8 Flange Serrated Nut 11-49838
8 Stud 16-97520
2 Hose Fitting w/ Drain Plug 22-806926A1

GM V8 SB 4” Elbow Conversion Kit w/ 6” Spacer
Your Price:
$731.99

Mercruiser SBC, 305/350, 5.0/5.7L Complete Exhaust System w/ 6” Spacer

700-58236

Mercruiser V8 Small Block Chevy (SBC), 305/350, 5.0/5.7L Complete Exhaust System w/ 6” Spacer, 4" Riser

Includes gaskets for both freshwater and raw water cooling. Replaces factory Mercruiser OEM Part Numbers:

Qty Description OEM #
2 Exhaust Elbow 807988A2
2 Exhaust Manifold Assy. 860246A10
2 Spacer 6" 807477A2
2 Gasket-Fresh Water 27-860231
2 Gasket-Raw Water 27-863724
2 Gasket 27-863726
2 Gasket 27-33395
8 Screw 10-12244
8 Screw 10-43749
1 Hose Fitting w/ Drain Plug 22-806926A1

GM V8 SB Conversion Kits w/ 6” Spacer
Your Price:
$736.99

Mercruiser V8 SBC, 305/350, 5.0/5.7L Complete Exhaust System w/ 6” Spacer (3" Hose Version)

700-58235

Mercruiser V8 Small Block Chevy (SBC), 305/350, 5.0/5.7L Complete Exhaust System w/ 6” Spacer, 3" Hose Riser

Includes gaskets for both freshwater and raw water cooling. Replaces factory Mercruiser OEM Part Numbers:

Qty Description OEM #
2 Exhaust Elbow 98504A3
2 Exhaust Manifold Assy. 860246A10
2 Spacer 6" 807477A2
2 Gasket-Elbow 27-863724
2 Gasket-Elbow 27-863726
2 Gasket-Manifold 27-33395
16 Screw 10-12244
2 Hose Fitting w/ Drain Plug 22-806926A1

V8 SB Manifold / Elbow Set
Your Price:
$271.99

Mercruiser Replacement 305/350 5.0/5.7L Small Block Chevy Dry Joint Alternative Manifold / Riser Kit

700-58660

Stock Mercruiser Replacement Small Block Chevy 5.0/5.7L 305/350 Cast Iron Dry Joint Alternative Manifold / Riser Kit. This kit will replace a dry-joint style factory Mercruiser Exhaust to a more cost effective original style Wet-Joint exhaust. NOTE: This is a single manifold/riser package. 2 Kits would be needed for one engine.

Kit Includes:
Qty Description OEM #
1 Exhaust Elbow N/A
1 Exhaust Manifold Assy. 860246A10
1 Gasket-Elbow 27-863724
2 Gasket-Manifold 27-33395
4 Screw-Hex Flanged 10-865982057
4 Lockwasher 13-35048
2 Hose Fitting w/ Drain Plug 22-806926A1


V8 SB Manifold / Elbow Set
Your Price:
$370.99

Stock Mercury Replacement Small Block Chevy Cast Iron Dry Joint Manifold / Riser Kit

700-58663

  • One Manifold, One Elbow and One Riser.
  • Direct Replacement for a Mercruiser Small Block Chevy Dry Joint Manifold and Riser
  • Dry Manifold/Riser Joint does not pass water between
  • Constructed from Heavy Duty Cast Iron
  • Individual Runners for Improved Performance over Stock Manifolds
  • 4 inch, Standard Risers
  • Includes Bolts and Gaskets

V8 SB (Cast Iron) Conversion Kits
Your Price:
$1,682.99

Mercruiser 305/350 SBC 78-82 Log to Center Rise Conversion Exhaust Kit

700-58990

Mercruiser SBC 1978-1982 Log to Center Rise Conversion Exhaust Kit

Qty Description
2 Center Rise Manifold
2 Exhaust Elbow
1 Thermostat Housing Kit
1 Alternator Bracket
All hardware, hoses and gaskets included to complete the conversion right! See Installation Instructions for complete parts list.

This kit converts 1978-1982 305/5.0L & 350/5.7L CID, Log Style Manifolds to the 1983-2002 style Center Rise Manifolds. The conversion kit uses two elbows to bring exhaust down to the original Y-Pipe. The 1982 and older Y-Pipe is 4" in diameter and round at the inlet, newer designs are oval at the inlet. Not for use on engines w/ high mounted power steering pumps. Replaces Mercury 77234A7 and 77235A8 manifolds and 76351A2 risers.