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Manley Platinum Series forged piston set for Chevrolet Big Block engines — 4.500 in bore, 1.520 in compression height, -20.00 cc. These pistons use domestic 2618 alloy forgings and proven cam-and-barrel skirt profiles to deliver strength and cylinder-wall compatibility for high-output builds. Tool-steel wrist pins and precision ring lands improve sealing and durability for engine builders.
Manley Chevrolet Big Block Piston Set - 4.500in Bore 1.520in CH, -20.00 CC
