MerCruiser 98503 98504A3 V6 V8 4.3 5.7 305 350 3" Single Exhaust Manifold Riser 60hp 7L 350 170hp 175hp 165hp

7L 350 170hp 175hp 165hp  1978 1979 1980

This is just the top plate for the driveshaft housing

Part #'s Included Driveshaft Housing: 304250 376779

We've included pictures of the internals so you can get an idea of what's there or not there

MerCruiser 98503 98504A3 V6 V8 4.3 5.7 305 350 3" Single Exhaust Manifold Riser 60hp 7L 350 170hp 175hp 165hpItem Details MerCruiser 98504A3 Exhaust Mainfold Elbow Riser Assembly AS THIS IS A QUANTITY LISTING, YOU WILL RECEIVE A RISER in equal condition to the one pictured here Stamped 98503 Cleaned & Repainted No cracks or welds Overall good condition Used on various MerCruiser V6 & V8 applications from 1981 1987, but generally the early years. Please make sure the parts you are swapping with are stamped 98503 or 95755 These have 3" exhaust tube outlets