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Zenoah 4-Bolt PUM Top End Kit G260PUM 34mm
Zenoah 4-Bolt PUM Top End Kit G260PUM 34mm
Complete replacement top-end kit for the Zenoah G260PUM engine. Also works as a big bore upgrade kit for the Zenoah G231PUM Engine. Includes new-style optimized stock 34mm cylinder for Zenoah G260PUM engine (found on newest 'red cap' engines), piston, piston ring, snap rings, pin washer set, cylinder base gasket, and o-rings. Zenoah part # X374326098. Note: Does not fit the old discontinued Zenoah 230PUM, as it has a different crankcase than the current 231/260PUMs that Zenoah manufactures. This high-performance product comes without warranty.