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The Manley Platinum Series forged piston set for Chevrolet LS engines with a 4.130-inch bore, 1.065-inch compression height and -20cc dish is built for demanding LS builds requiring altered compression or displacement. Forged from domestic 2618 alloy with cam-and-barrel skirt profiles and equipped with tool-steel wrist pins and select moly skirt coatings, these pistons use Manley's fixturing to guarantee ring land and groove squareness and offer optional wrist pin upgrades for extra strength.
Manley Chevrolet LS Piston Set - 4.130in Bore 1.065in CH, -20.00 CC
