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Manley Platinum Series piston set for Chevrolet small block is specified for a 4.040in bore with 1.550in compression height and -2.50cc chamber. These forged pistons are built from domestic 2618 alloy forgings with cam-and-barrel skirt profiles and tool-steel wrist pins; select SKUs include moly skirt coatings. Manley's fixturing and exacting ring lands support precise ring seal and consistent machining tolerances.
Manley Chevrolet Small Block Piston Set - 4.040in Bore 1.550in CH, -2.50 CC
