CP Bullet Pistons for Chrysler B and RB 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 conventional moly top ring, a cast taper face second ring. and a 3 piece standard tension oil ring.
Flat top pistons in a Big Block Chrysler engine will generally provide compression ratios in the 10.0 to 11.0:1 range which makes them a good option for engines with aluminum heads and larger than stock camshafts. Valve reliefs are configured to work with most types of standard and aluminum cylinder heads and will normally fit camshafts to well over .650 valve lift.
Dome top pistons in a Big Block Chrysler engine will generally provide compression ratios in the 12.0 to 13.0:1 range which makes them a good option for engines with aluminum heads and larger than stock camshafts. Valve reliefs are configured to work with most types of standard and aluminum cylinder heads and will normally fit camshafts to well over .650 valve lift.
