PISTON KIT VR38 D95.521003 AN009 Feature POINT 1 Parts for Higher Engine Output Factory replacement type piston & connecting rods kit with the standard bore size. To avoid piston land breakage, HKS pistons are made with forged material instead of casting like the factory pistons. The shape of STEP2 is the same as STEP1. It's recommended to use with other items of the GT800 Package. In house test at 900PS confirmed the durability and safety. The setting range is widened by