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The Manley Performance Platinum Series forged piston set for Chevrolet small block engines with a 4.040-inch bore, 1.550-inch compression height and -2.50cc volume. It is suitable for performance rebuilds requiring forged pistons with specific compression characteristics. Manufactured from domestic 2618 alloy forgings, these pistons feature cam-and-barrel skirt profiles and tool-steel wrist pins, with moly skirt coatings on select SKUs. Precise ring lands and unique fixturing improve ring seal and machining repeatability.
Manley Chevrolet Small Block Piston Set - 4.040in Bore 1.550in CH, -2.50 CC
