Stock Mercury Replacement Big Block Chevy 454/502 Cast Iron 4" Exhaust Kit 

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

Qty Description OEM #
2 Exhaust Elbow 807988A2
2 Exhaust Manifold Assy. 807078A6
2 Gasket-Elbow 27-863724
2 Gasket-Manifold 27-46820
8 Screw-Steel-Zinc Placted 10-43749
2 Hose Fitting w/ Drain Plug Kit 22-806926A1
  • 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
MSRP: $1,071.84
Your Price: $633.99
You Save: 41% off MSRP!

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