Piston & Gasket/seal kit – CRF70, XR70, & 1991+ CT70 drain bolt ・Inner diameter: Φ52

・Inner diameter: Φ52

8 pounds of unnecessary weight removed from the crank and a huge performance increase

(Note: specific parts vary from kit to kit depending on the needs of your vehicle model

While the new head may appear to be the same on the outside as our other race head

3:1 (pump gas ok)

Piston & Gasket/seal kit – CRF70, XR70, & 1991+ CT70 drain bolt ・Inner diameter: Φ52Piston & Gasket seal kit CRF70, XR70, & 1991+ CT70 TB parts piston and gasket seal kit for the Honda CRF70, XR70, and 1991 1994 CT70. OEM Quality & Complete. This kit comes with the standard size piston, wrist pin, rings, and circlips. Top and bottom end gaskets combined with an oil seal & O ring kit. This kit provides a huge savings over the OEM parts.