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The Manley Platinum Series forged piston set for Chevrolet small block comes with a 4.030-inch bore, 1.250-inch compression height and -4.00 cc crown volume, suitable for reworked combustion chambers. Forged from domestic 2618 alloy and fitted with tool-steel wrist pins, the set uses proven cam-and-barrel skirt profiles to balance power and cylinder-wall friendliness. Exact ring lands and grooves plus Manley's unique fixturing improve ring-to-skirt squareness; moly skirt coatings appear on select SKUs.
Manley Chevrolet Small Block Piston Set - 4.030in Bore 1.250in CH, -4.00 CC
