Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
The Manley Platinum Series forged piston set for Chevrolet LS engines with a 4.005-inch bore, 1.065-inch compression height and -20.00 cc piston volume provides a strong foundation for engine builds. Manley employs domestic 2618 alloy forgings, cam-and-barrel skirt profiles and tool-steel wrist pins, with moly skirt coatings on select SKUs. Unique fixturing that combines skirt turning and ring-groove machining, plus exacting ring lands and grooves, enhances ring seal and durability for tuners and engine builders.
Manley Chevrolet LS Piston Set - 4.005in Bore 1.065in CH, -20.00 CC
