MerCruiser 4cyl 470 165 165hp 3.7L Rocker Valve Cover 41638A1 41638 1987 224CID Pulley - Crankshaft but they are sometimes hard

but they are sometimes hard to remove when they are made of brass

150hp GM 230 I/L6 1964-1966 1666495 THRU 2048046

909722 / 0909722 - Rubber Mount

Some notable parts included in this set: 510167 Magneto Cam

3L V6 / V8 5

MerCruiser 4cyl 470 165 165hp 3.7L Rocker Valve Cover 41638A1 41638 1987 224CID Pulley - Crankshaft but they are sometimes hardItem Details Removed from a 1987 MerCruiser "470" (165hp) 3. 7L 4cyl 2BBL S N B525170 Overall Good Condition, original paint Parts Included MerCruiser Cylinder Head Valve Rocker Cover 41638A1 (Stamped 41637 C) This particular one was only used on 2bbl models as well as the 4bbl models with the 98348 C1 intake manifolds as these had the provision on the top for a stud for the 4BBL carburetors The 488 models had a different valve cover, but could be