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

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.

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

• 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

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:

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:

Mercruiser OEM V8 SBC 305/5.0L and 350/5.7L Exhaust Manifold and Riser Kit w/ 3 " 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

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:

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:

Mercruiser OEM V8 SBC 305/5.0L and 350/5.7L Exhaust Manifold and Riser Kit w/ 6" 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

Stock Mercruiser Replacement Small Block Chevy 5.0/5.7L 305/350 Cast Iron Dry Joint Manifold / 14 Degree Riser Kit. This is a dry-joint style replacement system.

Stock Mercruiser Replacement Small Block Chevy 5.0/5.7L 305/350 Cast Iron Dry Joint Manifold / 7 Degree Riser Kit. This is a dry-joint style replacement system.

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

• 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.

Mercruiser OEM V8 SBC 350 Dry Joint Exhaust Manifold and 7 Degree Riser Kit w/out Spacer

• 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 #865735A02 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.

• Standard or Closed Cooling versions.
• Dry Manifold/Riser Joint does not pass water between
• Constructed from Heavy Duty Cast Iron
• 1.7" Spacer
• Includes Bolts and Gaskets
• Replaces Mercury OEM 865995A01

• Standard or Closed Cooling versions.
• Dry Manifold/Riser Joint does not pass water between
• Constructed from Heavy Duty Cast Iron
• 3" Spacer
• Includes Bolts and Gaskets
• Replaces Mercury OEM 864929A3

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

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.

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.

• One Manifold and One Riser.
• Constructed from Heavy Duty Cast Iron
• Individual Runners for Improved Performance over Stock Manifolds
• 4 inch, Standard Risers
• Includes Bolts and Gaskets
  
• 3 inch spacer