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The Manley Platinum Series forged piston set for Chevrolet LS engines with a 4.165-inch bore, 1.065-inch compression height and -20cc dish is intended for substantial displacement or high-compression LS projects. Forged from domestic 2618 alloy with cam-and-barrel skirt geometry, tool-steel wrist pins and moly skirt coatings on select SKUs, these pistons use Manley’s fixturing to ensure precise ring land and groove squareness and offer wrist pin upgrade options to enhance durability.
Manley Chevrolet LS Piston Set - 4.165in Bore 1.065in CH, -20.00 CC
