Sale Zenoah 260 Piston Ring PDF Print $4.89 You save: $0.86 SKU: ZEN-T2088-41210 260 Piston Ring Add to Wishlist Add to Compare Back to: RCMK Engine Parts Description Zenoah piston ring for 34mm engines. Fits G260RC / G260PU / G260PUH / G260PUM engines. Also fits Chung Yang 26cc engines.