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JE Pistons Ultra Series forged piston kit for GM Gen III/IV LS (4.07in bore, 3.622in stroke) is intended for demanding V8 applications with boost or high loads. JE's Aligned Grain Flow forging offers increased tensile strength while thermal barrier crown coating, skirt coating, lateral gas ports and improved pin oiling reduce temperatures and wear. The kit includes premium wrist pins and is made in the USA.
JE Pistons Ultra Series GM Gen III/IV LS 4.07in Bore/3.622in Stroke Set of 8 Pistons
