Naraku GY6 63mm Big Bore Kit
$179.99
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Naraku 63mm Forged Piston Big Bore Kit for 150cc and 125cc GY6 4-stroke engines and engine based vehicles. Crankcase modifications are needed for this cylinder kit. Increases displacement to 180cc! Please see our Warranty & Returns Policy. Bore: 63mm Outer Sleeve Diameter: 64.9mm Displacement Increase to 180cc Overall Height (cylinder): 90mm
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