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JE Pistons Ultra Series forged piston kit for GM Gen III/IV LS (4.075in bore, 3.622in stroke) offers a heavy-duty eight‑cylinder option for boosted LS engines. JE's Aligned Grain Flow forging maximizes tensile strength while thermal barrier crown coating, skirt coating, lateral gas ports and optimized pin oiling help control temperatures and wear. High-strength Trend Performance wrist pins and US manufacture complete the kit.
JE Pistons Ultra Series GM Gen III/IV LS 4.075in Bore/3.622in Stroke Set of 8 Pistons
