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The Manley Performance Platinum Series forged piston set for Chevrolet small block engines with a 4.040-inch bore, 1.250-inch compression height and -4.00cc volume. It provides a strong, lower-compression option for tuned small block projects. These pistons feature domestic 2618 alloy forgings, cam-and-barrel skirt profiles and tool-steel wrist pins, with moly skirt coatings on select SKUs. Unique fixturing and precise ring lands improve ring seal and finishing consistency for reliable operation.
Manley Chevrolet Small Block Piston Set - 4.040in Bore 1.250in CH, -4.00 CC
