Stuffer Crank - Stock 28mm Stroke $55.00 Quantity discounts available QuantityPrice Quantity: -+ SKU: DD310 ABOUT THIS PRODUCT:Stuffer Crank - Stock 28mm StrokeAboutAboutStuffed crankshaft with 28mm stroke. Fits Zenoah G23LH / G230RC / G260RC. Also fits Chung Yang / CY23RC / CY26RC / CY27RC / GP290 engines. Reduces crankcase volume for increased vacuum pressure and hence increased power.