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The Wiseco Professional Series forged piston set for Chevrolet big‑block engines (4.500 in bore, 1.270 in compression height, 48.70 cc) provides a full set of eight pistons intended for heavy to severe duty race builds. Forged and machined in the USA from 2618 aluminum, the set accommodates premium ring installation. They feature precision ring grooves, anti‑detonation groove, ArmorGlide skirt coating for reduced friction and seizure resistance, forced pin oiling, and a 0.990 in pin diameter.
Wiseco Chevy Big Block 4.500in Bore 1.270in CH 48.70 CC Piston Set
