Description
Sierra Manifold - Mercruiser - S18-1957-2. Port & Starboard. Replaces: Mercruiser 89011A8, 807078A6, 807078T10, 80707809, 807078A4, 807078A2Marine Power 0991-1000, Barr MC-1-89011Will fit either sideFits: Most Mercruiser (GM) V-8 big blocks with center riserUse with:Exhaust Manifold Gasket: S18-0418Mounting Kit: S18-8532 Part Number SRA-S18-1957-2
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