1958-1965 Chevy V8 348 409 305-360HP L 2 1/2"� Exhaust Manifold #3767583 USEDThis 1958 1965 Chevy V8 348 409 305 360HP LEFT Exhaust Manifold is an original GM part #3767583 that is used. Some exhaust manifolds may have pitting and need new studs. The last one we have left does have some cracks that will need to be repaired (see photos). The manifold fits 1960 passenger car 348 305 320 335HP, 1961 passenger car 348 305 340 350HP and 409 360HP The current image is a sample only. Ask for specific images to be sent of the part we