Big-Bore Kit Race Ported Chung Yang 29cc Kit By CY (Chung Yang) Products - Cylinder Heads

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Big-Bore Kit Race Ported Chung Yang 29cc Kit

By : CY (Chung Yang) Products

Item #: CC252-A

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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. 35mm bore and 30mm stroke - effective displacement of 28.9cc! Kit includes: CY 35mm cylinder, 35mm piston, piston ring, piston pin, pin washer set, pin bearing, circlips, CMR7H spark plug, cylinder gasket, and choice of +2mm stroker crankshaft (30mm total stroke). The squish on the cylinder has been pre-machined to accept the 2mm stroker crankshaft using only the standard 1 .020" base gasket. Provides HUGE increases in engine power, allowing you to use taller gearing for more top speed! 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. Fits Chung Yang CY23RC / CY26RC / CY27RC engines

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