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The Manley Performance Platinum Series forged piston set for Chevrolet small block engines with a 4.040-inch bore, 1.125-inch compression height and -2.50cc volume. It offers a strong, race-capable replacement designed for demanding rebuilds. These pistons use domestic 2618 alloy forgings, cam-and-barrel skirt profiles and tool-steel wrist pins, with moly skirt coatings available on select SKUs. Manley's fixturing and tight ring land tolerances improve ring seal and installation consistency.
Manley Chevrolet Small Block Piston Set - 4.040in Bore 1.125in CH, -2.50 CC
