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The Manley Platinum Series forged piston set for Chevrolet small block includes a 4.040-inch bore, 1.250-inch compression height and -2.50 cc crown volume to support high-output engine builds. Constructed from domestic 2618 alloy forgings with tool-steel wrist pins, these pistons feature cam-and-barrel skirt profiles that protect cylinder walls while enhancing power. Exact ring lands and Manley's single-operation fixturing provide superior groove-to-skirt squareness; moly coatings apply to select SKUs.
Manley Chevrolet Small Block Piston Set - 4.040in Bore 1.250in CH, -2.50 CC
