To get the latest news about Vigilante Performance's sales and new products, please enter your email address below.




You are here: Home > Pistons > Probe Forged Pistons > PRS - Professional Race Series > Chevrolet > Chevrolet - 350 Small Block



Pistons for the Chevrolet 350

Probe PRS Series Pistons for the 350 Chevrolet Based Engines are manufactured on advanced 2618-t6 forgings; featuring forged side reliefs with internal and external bracing. 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 and double forced pin oilers with oil distribution grooves, as well as optional gas ports. Locks, wrist pins, and lock removal indents are included.




Flat Top
Flat top pistons in a Chevrolet 350 to 414 engine will generally provide compression ratios in the 10.5 to 11.5:1 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 23° cylinder heads and will normally fit camshafts to well over .600 valve lift. more info
Dish Top
Dish top pistons in a Chevrolet 350 to 414 engine will generally provide compression ratios in the 9.0 to 10.0:1 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 23° cylinder heads and will normally fit camshafts to well over .600 valve lift. more info
Dome Top
Dome top pistons in a Chevrolet 350 to 414 engine will generally provide compression ratios in the 13.0:1 range which makes them a good option for competition engines. Valve reliefs are configured to work with most types of standard and aluminum 23° cylinder heads and will normally fit camshafts to well over .600 valve lift. more info