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The Wiseco Professional Series forged piston for Chevrolet big block engines is built with a 4.600 in. bore, 1.270 in. compression height and 0.990 in. pin diameter. Supplied as a single piston for high‑stress or racing builds, it ships with premium rings. Forged from 2618 aluminum in the USA, it offers precision ring grooves, an anti‑detonation groove, ArmorGlide skirt coating and forced pin oiling to reduce friction and support severe duty operation.
Wiseco Chevy BB DRAG 1.270inchCH 4600A Piston Shelf Stock
