
Complete 29cc billet head kit from Chung Yang. Includes machined 35mm cylinder, piston, ring, choice of anodized spiral head shell, 14:1 compression dome, copper gasket, piston pin, pin bearing, pin washers, snap rings, choice of +2mm stroker crankshaft(30mm total stroke), CMR7H spark plug, and mounting bolts. Offers huge increases in power, speed, and cooling at an amazing price - estimated power output is 3.75 HP. Optional race porting for additional power and performance is available for an extra charge. Requires 91 octane (using the R+M/2 octane rating method) or higher fuel, mixed 25:1 with 2-stroke oil. Fits Zenoah G23LH / G230RC / G260RC engines. Also fits Chung Yang CY23RC / CY26RC / CY27RC / CY29RC engines.
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