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JE Ultra Series forged piston set for Honda K20A engines, specified to an 86mm bore and 10.0:1 compression as a four‑piston kit. Ultra Series pistons use JE’s Aligned Grain Flow forging for maximum tensile strength and include thermal barrier crown coating, skirt coating, lateral gas ports and optimized pin oiling to handle high‑boost, high‑RPM conditions. Kits include high‑strength wrist pins and are made in the USA.
JE Pistons Ultra Series Honda K20A 86mm Bore 10.0:1 CR Set of 4 Pistons
