Inner Rotor Kit

this unit works with

Crf50 /Crf 70

Xr 50 /Xr 70

Chinese Engines

Thumpstar

Pitster Pro

SDG

MORE

These are half the cost of the big name ones and work just as good.

Eliminate the weight of your flywheel and let your motor really twist like a 2-stroke.

Kit allows you to set and build in timing into your motor.

This unit is good up to 15,000 RPM's..

The inner rotor kit includes everything needed to install even the Coil.