The Wiseco Professional Series forged piston set for Chevrolet Big Block engines features a 4.615 in. bore and 1.120 in. compression height, supplied as a set of eight. Intended for heavy-duty racing applications, these pistons are forged from 2618 aluminum and supplied with premium rings. Each piston uses a 0.990 in. pin and benefits from precision ring grooves, anti-detonation relief, ArmorGlide skirt coating, forced pin oiling and machined crowns.
Wiseco Chevy Big Block 4.615in Bore 1.120in CH 42.00 CC Piston Set