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You are here: Home > Pistons > CP Pistons > Chevrolet > Chevrolet - Big Block

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.
Flat Top
Flat top pistons in a 454 Chevrolet engine generally provide compression ratios in the 8:1 range which makes them a good option for forced induction applications. Valve reliefs are configured to work with most types of standard and aluminum cylinder heads and will normally fit camshafts to well over .750 valve lift.
Dish Top
Dished pistons in a 454 Chevrolet engine generally provide compression ratios in the 8.5:1  range which makes them a good option for forced induction. Valve reliefs are configured to work with most types of standard and aluminum cylinder heads and will normally fit camshafts to well over .750 valve lift.
Dome Top
Dome top pistons in a 454 Chevrolet engine generally provide compression ratios in the 10 to 13.0:1 or higher range which makes them a good option for very high performance or racing  applications. Valve reliefs are configured to work with most types of standard and aluminum cylinder heads and will normally fit camshafts to well over .750 valve lift.