Quicksilver OEM MerCruiser V6/V8 1981-1997 GM Exhaust Elbow Restrictor Gasket 27-863724 Quicksilver Standard cooling restrictor-type exhaust elbow gasket for GM-based MerCruiser V6 and V8 sterndrive and inboard engines (19811997) with center rise outlet exhaust manifolds. Designed for proper exhaust flow and sealing. Refer to your owner's or service manual for specific fitment.Features Fits 19811997 GM V6 and V8 MerCruiser sterndrive and inboard engines; Designed for center rise outlet exhaust manifold configurations; Standard cooling restrictor gasket for optimal exhaust flow; Meets Mercury Marine OEM specifications for performance and durability; Application Info Fits MerCruiser GM V6/V8 185, 205, 229 & 262 CID Engines from 1987-1997; Interchange: Barr; MC 20 99208; MC47-27-41813; GLM; 30240; Mallory; 9-61413; MerCruiser; 27-41813; 27-860233; Osco; 8503-GR; Sierra; 18-0897;