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Manley Performance Chevrolet LS piston set for eight-cylinder LS engines, sized with a 4.125 in bore, 1.315 in compression height and −20.00 cc dish. These Platinum Series forged 2618 alloy pistons pair cam-and-barrel skirt profiles with tool-steel wrist pins and moly skirt coatings on select part numbers. Manley’s strict ring land and groove tolerances plus unique fixturing deliver consistent ring seal and precise machining for performance-focused rebuilds.
Manley Chevrolet LS Piston Set - 4.125in Bore 1.315in CH, -20.00 CC
