Proprietary Forged Side Relief (FSR) forging design minimizes friction and power loss with reduced skirt width and saves additional weight with a shorter wrist pin
Description
Piston, Standard Flat Top, Forged, 4.165 in Bore, 1/16 x 1/16 x 3/16 in Ring Grooves, Minus 5.00 cc, compatible with Small Block Chevy, Set of 8