GLM Marine Catalog - Exhaust

Starboard Elbow Tube (Stringer Mount) replaces MerCruiser part # 909609

• 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

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.

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.

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.

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.

Mercury Replacement Big Block Chevy 454/7.4L and 502/8.2L (Cast Iron) 3" Exhaust Kit

• 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

Mercruiser GM V8 BBC 454/7.4L and 502/8.2L Raw/Fresh Water Cooling System w/out Spacer

• 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

• 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

4" Upper Exhaust Bellow (use with 1-piece Exhaust Elbow) replaces MerCruiser part # 32-44348T

4” Center Mounted Riser to 4” Elbow V6 & V8
Fits 700-51140 or 700-51145

V6 Conversion Kits (Cast Iron)
V6 4.3L GM 262 CID w/ Raw Water Cooling (1996-2000).

Note: Does Not Contain Original Exhaust Tube for Y-pipe. Re-use Original.

V6 Dry Joint Replacement Manifold / Elbow Set

V6 Dry Joint Replacement Manifold / Elbow Set with 3" Spacer

Includes:
• 1 Manifold
• 1 Elbow
• 1 Spacer
• All Gaskets & Hardware

V6 Exhaust Elbow

V6 Dry Joint / V8 Small Block Dry Joint. 3in / 4in Riser

This part has two extra water ports on each side and a larger bottom port compared to the OEM. This allows for maximum water flow through the riser, significantly reducing the chance of blockage from any debris in the water system.

Features:
• Extra Water Ports
• Removable plug for use with closed coolng systems.
• Superior Gasket Technology Eliminates Surface Leaks
  • Temp: 1112° F
  • Thickness: 1/16"
  • Compressability: 15-35%