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The Wiseco Professional Series forged piston set for Chevrolet big‑block engines (4.500 in bore, 1.120 in compression height, 42.00 cc) is a set of eight pistons intended for demanding race and performance applications. Forged from 2618 aluminum and machined in the USA, the pistons are built to accept premium rings and handle high loads. Key features: precision ring grooves, anti‑detonation groove, ArmorGlide skirt coating for seizure resistance and quieter operation, forced pin oiling, and a 0.990 in pin diameter.
Wiseco Chevy Big Block 4.500in Bore 1.120in CH 42.00 CC Piston Set
