Description
- Upper Exhaust Bellows for Mercruiser 3-4" 70981A3 3.0 3.7 5.0 5.7 18 2762 89070 165/170/3.7L/180/190/470/485/488 manifolds(1980 - 1989) Chevy 305/350/377 (1983 - up) Big block 454/502 (1981 - up) V6 229/262 (1983 - up) After market Ref:Mercruiser:70981A3,Mallory Marine: 9-72808,Sierra: 18-2762,GLM: 89070 Installs on to 3 inch 15 degree center mounted risers with 4 inch elbow used: 165/170/3.7L/180/190/470/485/488 manifolds(1980 - 1989) Chevy 305/350/377 (1983 - up) Big block 454/502 (1981 - up) V6 229/262 (1983 - up)
GHmarine 70981A3 3-4" Upper Exhaust Hose Bellow for MerCruiser Stern Drive 3.0 4.3 5.0 5.7 L Engines V6 V8 Sierra 18-2762
