GLM

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

Straight Fitting replaces MerCruiser part # 22-862557

3/4-14 x 1 Straight Fitting (Brass) replaces MerCruiser part # 22-866725

Straight Fitting Kit

Included with Manifold 700-51480

Strainer Cover Small Gasket (5 per pack) replaces Mercury/Mariner/Force part # 27-25849

Strainer Cover Large Gasket (5 per pack) replaces Mercury/Mariner/Force part # 27-25851

Stud (3 per pack) replaces MerCruiser part # 16-806300

3/8 x 9-1/2 Stud (4 per pack) replaces MerCruiser part # 16-8M0022137

Use with 4" Elbow

3/8 x 5 Stud (4 per pack) replaces MerCruiser part # 16-97520

Use with 3" Elbow / 3" Spacer

Stud (Sold Each, must purchase in quantities of two) replaces MerCruiser part # 3852467