Description
BARR MC-1-89011 Mercruiser V8 Big Block Wet Joint Exhaust Manifold Direct replacement center riser water cooled exhaust manifold Suitable for Mercuiser big block V8 330, 340 & 454 Magnum Replaces Mercruiser part 89011A8 & aftermarket 18-1957-2 BARR manifolds include plugs, gaskets and mounting hardware to mount riser