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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 -4.00 cc crown volume for tailored compression builds. Constructed from domestic 2618 alloy forgings with tool-steel wrist pins and refined cam-and-barrel skirt profiles, the design prioritizes exact ring lands and grooves. Unique fixturing ensures machining squareness between ring grooves and skirts; select SKUs receive moly skirt coatings for lower friction.
Manley Chevrolet Small Block Piston Set - 4.040in Bore 1.250in CH, -4.00 CC
