Sealed Power H345DCP30 Cast Piston Flat Top, Sealed Power, Mfr#: S12-H345DCP30

Hypereutectic Piston made with exclusive FM425 material for excellent strength & scuff resistance. This advanced combination allows tighter bore and improves sealing for less blow-by. Higher strength than cast, designed to retain standard ring gaps in top groove. Sophisticated "barrel" profiles help optimize oil wedge between skirt and wall. Piston skirts protected by next-gen DUROSHIELD(R) coating. TAC(TM) ring groove geometry Weight matched to +/- 2 grams. Engine set of weight-matched SEALED POWER(R) hypereutectic pistons, pins and lock rings. Features Bore Size – 4.0300 in. Compression Distance – 1.548 in. Dome Volume – -6.9cc Head Type – Flat Minimum Clearance – 0.0010 in. Oversize – 0.0300 in. Pin Diameter – 0.9275 in. Pin Offset – 0.0300 in. Head Illustration – 183 Ring 1 Quantity – 2 Ring 1 Width – 5/64 in. Ring 2 Quantity – 1 Ring 2 Width – 3/16 in. Pin Weight – 149 Gram Weight With Pin – 693 Gram Weight Without Pin – 544 Gram Pin Type – F