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The JE Ultra Series 8‑cylinder forged piston kit for Chevrolet LT4 Gen V with a 4.065 in bore and 4.00 in stroke is built for high-horsepower LT4 engines. Aligned Grain Flow forging boosts tensile strength to resist severe cylinder pressures. Thermal barrier crown coating, skirt coating, lateral gas ports and optimized pin oiling reduce operating temperatures and wear; Trend Performance thick-wall wrist pins provide added strength. Made in the USA.
JE Pistons Ultra Series GM Gen V LT4 4.065in Bore/4in Stroke Set of 8 Pistons
