Polaris Anti-Ratchet drivers, T3 series Number of Teeth:8 You will need an install

You will need an install tool to press these on to the shaft

Great looking and extremely comfortable

Note: does not fit with cables with square aluminum bracket

It is made for a Hyvo chain

Polaris Anti-Ratchet drivers, T3 series Number of Teeth:8 You will need an installThese drivers are known to us as T3 Drivers. These drivers have involute points that go outward and inward with anti ratchet points in the middle of the driver. The involute points drive off the rubber track bumps found on either side of each track window. These drivers will work with Skidoo tracks which DO NOT have four rows of rubber bumps in between the track windows, Skidoo tracks only have two rows inside of the track windows and two rows outside