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, 23 Degree FSR Hollow Dome, Forged, 4.125 in Bore, 0.043 x 0.043 x 3 mm Ring Grooves, Plus 10.80 cc, compatible with Small Block Chevy, Set of 8