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Sierra Exhaust Manifold GM V8 Big Block 454ci. Port & Starboard
Replaces: Barr #CHVA-1-84 Marine Power #0991-110
Fits: GM Big Block 454 cubic inch. Sides: Port or Starboard Mfg: #18-1898
Gaskets:
Exhaust Gasket: #47-0418
Riser Gasket: #47-2854 Open Cooling or #47-0476 Blocked Cooling
Extra shipping may apply due to weight! Will notify with shipping options.
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