JE Ultra Series forged piston set for Honda K20A applications, sized to an 87.5mm bore with a 10.0:1 compression ratio in a four‑piston kit. Ultra Series incorporates Aligned Grain Flow forging for added tensile strength plus thermal barrier crown coating, skirt coating, optimized pin oiling and lateral gas ports to support high‑power, boosted engines. Kits include heavy‑duty wrist pins and are made in the USA.
JE Pistons Ultra Series Honda K20A 87.5mm Bore 10.0:1 CR Set of 4 Pistons