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JE Ultra Series forged piston set for Honda K20C engines, sized to an 86mm bore with 10.0:1 compression in a four‑piston kit. Ultra Series pistons use Aligned Grain Flow forging, thermal barrier crown coating, skirt coating, improved pin oiling and lateral gas ports to support high‑boost, high‑RPM builds. Kits include premium wrist pins and are manufactured in the USA.
JE Pistons Ultra Series Honda K20C 86mm Bore 10.0:1 CR Set of 4 Pistons
