50 Caliber Racing 88cc Big Bore Stage 1 Kit – Honda XR70 CRF70 1988-2011 – 52mm Piston, Cylinder, Gaskets – UTV-4446A1-001

Wake up that old Honda XR70 or CRF70 with this 88cc Stage 1 big bore kit from 50 Caliber Racing.

Frames 1988 through 2011, also fits pit bikes.

Includes a 52mm piston, rings, wrist pin, 88cc cylinder, and full gasket kit.

4-stroke, bolt-on top end power increase.

Part number UTV-4446A1-001.

No UPC, just solid go-fast parts.

If your 70cc feels flat, this kit gives it the lungs it needs.