GLM

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 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 V6 Exhaust Manifold and 3" Riser Kit
GM V6 Without Spacer 3in Elbow Kit

Mercruiser V6 Exhaust Manifold and 3" Riser and 3" Spacer Complete Conversion Kit
GM V6 With 3in Spacer, 3in Elbow Kit

Mercruiser V6 Exhaust Manifold and 3" Riser Kit with 6" Spacer Conversion Kit
GM V6 with 6in Spacer, 3in Elbow Kit

Mercruiser V6 Exhaust Manifold and 4" Riser Kit with 3" Spacer Conversion Kit
GM V6 with 3in Spacer, 4in Elbow Kit

Mercruiser V6 Exhaust Manifold and 4" Riser Kit with 6" Spacer

GM V6 with 6in Spacer, 4in Elbow Kit

Exhaust Manifold Assembly (Iron Casting) replaces MerCruiser part # 99746A17
V6 / V6 Dry Joint Replacement Exhaust Manifold. 3In / 4in Riser.

MerCruiser V6 Rotor Assembly replaces MerCruiser part # 13524A6

Used with Distributor Assembly – Thunderbolt IV & V

Kit Contains:

MerCruiser V8 Rotor Assembly replaces MerCruiser part #13524T1 and #13524A5

Used with Distributor Assembly – Thunderbolt IV & V

Kit Contains:

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/ 6” Spacer, 3" Hose 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:

Mercury 3" and 4" Restricted Flow Riser/Elbow Gasket replaces MerCruiser part # 27-860233

Exhaust Elbow Gaskets have side leakage-proof treatment and sticking proof treatment.

• Temperature Limit: 1112 F
• Thickness: 1/16 Inch
• Density of Sheet:1.309 / cm3
• Compressibility: 15-35%
• Recovery: 20% Min.
• Bolt Holes measure 3-7/16" center to center lengthwise and 3-1/16 center to center width wise. 
• Restricted water flow.

Mercury 3" and 4" Open Riser/Elbow Gasket replaces MerCruiser part # 27-863726

Exhaust Riser/Elbow Gaskets have side leakage-proof treatment and sticking proof treatment.

• Fits 1983-2002 V6 and V8, 3" or 4" riser.
• Temperature Limit: 1112 F
• Thickness: 1/16 Inch
• Density of Sheet:1.309 / cm3
• Compressibility: 15-35%
• Recovery: 20% Min.
• Bolt Holes measure 3-7/16" center to center lengthwise and 3-1/16 center to center width wise. 
• Open gasket for standard cooling riser.

Mercury 3" and 4" Blocked Flow Riser/Elbow Gasket replaces MerCruiser part # 27-860231

Exhaust Elbow Gaskets have side leakage-proof treatment and sticking proof treatment.

• Temperature Limit: 1112 F
• Thickness: 1/16 Inch
• Density of Sheet:1.309 / cm3
• Compressibility: 15-35%
• Recovery: 20% Min.
• Bolt Holes measure 3-7/16" center to center lengthwise and 3-1/16 center to center width wise. 
• Blocks water flow for Closed Cooling applications