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The JE Ultra Series 8‑cylinder forged piston kit for Chevrolet LT4 Gen V with a 4.070 in bore and 4.00 in stroke suits high-output LT4 builds that demand durability. JE's Aligned Grain Flow forging enhances tensile strength while thermal barrier crown and skirt coatings reduce heat and friction. Lateral gas ports preserve ring seal at high RPM and boost, and optimized pin oiling with Trend high-strength wrist pins improves longevity. Made in the USA.
JE Pistons Ultra Series GM Gen V LT4 4.07in Bore/4in Stroke Set of 8 Pistons
