Description
4340 Forged steel crankshaftPro Series I-Beam Lightweight connecting rods with 7/16? ARP 2000 cap screws standard2618 Forged aluminum Platinum Series pistons with Premium Chrome Moly wrist pinsHigh Performance piston rings & high performance Clevite? ?H? Series rod bearings (narrowed) and ?P? or ?H? Series main bearings