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The Wiseco Professional Series forged piston set for Honda K-Series (K20A) engines supplies +10.5cc dome pistons as a four-piece, performance-focused replacement. Forged 2618 aluminum construction and full machining deliver tensile strength for severe-duty use while premium rings improve sealing. The pistons feature ArmorGlide skirt coating for friction reduction and seizure resistance, precision ring grooves, an anti-detonation groove and forced pin oiling. Bore: 88.00 mm; compression height: 30.00 mm.
Wiseco Honda K-Series +10.5cc Dome 1.181X88.0mm Piston Shelf Stock Kit
