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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 complete set of eight pistons with 0.927 in pin diameter and -1.70 cc specification. Forged from 2618 aluminum and fully machined in the USA, the pistons include precision ring grooves, anti-detonation groove, ArmorGlide skirt coating for seizure resistance and reduced friction, forced pin oiling, and premium rings for heavy-duty racing.
Wiseco Chevy Small Block 4.020in Bore 1.550in CH -1.70 CC Piston Set
