ROSS Racing Pistons for the 454 Chevrolet are manufactured on advanced 2618-t6 forgings. Most feature double spiral locks (or wire locks in some applications), forced pin oilers with oil distribution grooves, and lock removal indentations. They also feature gas accumulator grooves in the second land, as well as optional gas ports.
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.
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. 18 pistons are also available.
