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Wiseco Professional Series forged piston set for Chevrolet small block with a 4.020 in bore and 1.550 in compression height, supplied as a set of eight pistons with 0.927 in pin diameter and -15.00 cc specification. Forged from 2618 aluminum and fully machined in the USA, these pistons feature precision ring grooves and an anti-detonation groove, ArmorGlide skirt coating for reduced friction and seizure resistance, forced pin oiling, and premium rings for severe-duty race builds.
Wiseco Chevy Small Block 4.020in Bore 1.550in CH -15.00 CC Piston Set
