The Wiseco Professional Series forged piston set for Chevrolet Big Block engines features a 4.615 in. bore and 1.270 in. compression height, supplied as a set of eight. Designed for racing and heavy-duty builds, these pistons are forged from 2618 aluminum and include premium rings and a 0.990 in. pin. They incorporate precision ring grooves, anti-detonation relief, ArmorGlide skirt coating to resist seizure, forced pin oiling and fully machined crowns.
Wiseco Chevy Big Block 4.615in Bore 1.270in CH 28.00 CC Piston Set