BARR Manifold and Riser Exhaust Kit Direct replacement for Mercruiser V-8 GM 7.4-Liter and 8.2-Liter with 4" Magnum 7° Risers.
Fits Mercruiser Big Block V8 454 and 502 CID Center Riser with 4" exhaust. Used on most 7.4-Liter and 8.2-Liter engines 1987 and later. Supplied with (2) longer riser mounting bolts if engine is equipped with remote mount oil filter bracket.
Features: MADE IN THE U.S.A. 2 - MC-20-44354 Risers 2 - MC-1-89011 Manifolds Manifold & Riser Gaskets plus Mounting Hardware 3 year limited warranty