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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. Built for severe-duty performance, these pistons are forged from 2618 aluminum and include premium rings and a 0.990 in. pin. They offer precision ring grooves, anti-detonation relief, ArmorGlide skirt coating to lower friction and prevent seizure, forced pin oiling and fully machined crowns.
Wiseco Chevy Big Block 4.615in Bore 1.120in CH 48.70 CC Piston Set
