TB Parts: 88cc Bore Kit XR/CRF 70

88cc Bore Kit XR/CRF 70 88cc Bore Kit Kit Includes: 52mm Piston Kit for Stock Head (Part # TBW0365) 88cc Top End Gasket Kit (52mm) (Part # TBW0206) 88cc Cylinder (52mm) (Part # TBW0156) Item Number Description TBW0929 88cc Bore Kit XR/CRF 70 Select your bike and then either simply click the item number to verify and add the item to your cart or manually type the item number into the search box below and click the "Verify Item & Current Price" button.