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JE Ultra Series forged piston set for Honda K20C engines, specified to an 86.5mm bore and 10.0:1 compression as a four‑piston kit. Ultra pistons utilize Aligned Grain Flow forging for enhanced tensile strength and include thermal barrier crown coating, skirt coating, lateral gas ports and optimized pin oiling to maintain ring seal under boost. High‑strength wrist pins are included and pistons are made in the USA.
JE Pistons Ultra Series Honda K20C 86.5mm Bore 10.0:1 CR Set of 4 Pistons
