CP Bullet Pistons for Chevrolet 350 and 400 engines are made on premium 2618-t6 forgings and are balanced to a tolerance of +/- 1 gram. They feature forced pin oilers, contact reduction grooves, accumulator grooves as well as forged side reliefs. 5100 steel wrist pins, with wire locks are standard. Each set includes a 1.5 1.5 3.0 ring set, which consists of a steel gas nitrided barrel face top ring, a taper hook groove Napier second ring. and a 3 piece soft nitrided oil ring that is designed for severe duty applications. BCR and BCRS piston sets include a low friction coefficient 1.2 1.2 3.0 ring package

CP Bullet Pistons for the LS are made on premium 2618-t6 forgings and are balanced to a tolerance of +/- 1 gram. They feature forced pin oilers, contact reduction grooves, accumulator grooves, as well as forged side reliefs. 5100 steel wrist pins, with wire locks are standard. Each set includes a 1.5 1.5 3.0 ring set, which consists of a steel gas nitrided barrel face top ring, a taper hook groove napier second ring. and a 3 piece soft nitrided oil ring that is designed for severe duty applications.

CP Bullet Pistons for Chevrolet Big Block engines are made on premium 2618-t6 forgings and are balanced to a tolerance of +/- 1 gram. They feature forced pin oilers, contact reduction grooves, accumulator grooves as well as forged side reliefs. 5100 steel wrist pins, with wire locks are standard. Each set includes a 1/16 1/16 3/16 ring set, which consists of a ductile moly top ring, a cast taper face second, and a 3 piece standard tension oil ring that is designed for severe duty applications.