The JE Ultra Series 8‑cylinder forged piston kit for Chevrolet LT4 Gen V with a 4.070 in bore and 3.622 in stroke is designed for high-output LT4 applications. JE's Aligned Grain Flow forging improves tensile strength for extreme cylinder pressures. Thermal barrier crown and skirt coatings, lateral gas ports and enhanced pin oiling manage heat and preserve ring seal, while robust Trend wrist pins support the demands of boosted engines. Made in the USA.
JE Pistons Ultra Series GM Gen V LT4 4.07in Bore/3.622in Stroke Set of 8 Pistons