MerCruiser 98503 98504A3 V6 V8 4.3L 5.7L 305 350 3" Pair Exhaust Manifold Risers NOS This was removed from a

This was removed from a running engine and should be good to go

3852697 Pivot Screw Thrust Washer

so roughly 1/4"

Two-Plane) 3000 Aluminum dual plane intake manifold

MerCruiser 98503 98504A3 V6 V8 4.3L 5.7L 305 350 3" Pair Exhaust Manifold Risers NOS This was removed from aItem Details MerCruiser 98504A3 Exhaust Mainfold Elbow Riser Assembly You get the PAIR as pictured Stamped 98503 Original Paint No cracks or welds overall good condition Price is for the pair as pictured of these 3" risers. 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 rather than the newer 4"