About
About
These big-bore kits have been race ported - intake, exhaust, and transfer ports have been enlarged/reshaped for more fuel/air flow and hence more power. Chung Yang 35mm big-bore kit - 26.9cc. It features an all-new casting with thicker heat fins and more. Kit includes: cylinder, 35mm piston, piston ring, piston pin, pin washer set, pin bearing, and NGK CMR7H spark plug. Increases power and speed substantially! This high-performance product requires 91 octane (using the R+M/2 octane rating method) or higher fuel, and comes without warranty. Fits Zenoah G23LH / G230RC / G260RC engines. Also fits Chung Yang CY23RC / CY26RC / CY27RC engines.