PWC Engine 25 HP 2-Cylinder Powerhead Rebuild Kit PWC 100-04-12 A

PWC Engine powerhead rebuild kit for Mercury 25 HP 2-cylinder applications. The kit includes two .020-inch (.50 mm) oversize pistons with RIK performance rings, piston pins, clips, a complete gasket kit, upper, center, and lower main bearings, top-end needle bearings, lower rod bearings, and rod bolts. Cylinder boring is required for the oversize pistons; this is not a direct-fit kit. Verify required size and engine information before ordering.