$39.00
The jackshaft collar will give you extremely important information on your traction at the launch and throughout the track. Made to fit any standard 3/4″ junior dragster jackshaft. When you look at your graph you will see a very obvious spike whenever the tires spin. This will allow you to make adjustments to your launch and ensure that your getting the hardest launch possible without loosing grip.
The jackshaft collar will give you extremely important information on your traction at the launch and throughout the track. Made to fit any standard 3/4″ junior dragster jackshaft. When you look at your graph you will see a very obvious spike whenever the tires spin. This will allow you to make adjustments to your launch and ensure that your getting the hardest launch possible without loosing grip.
| Weight | 1 lbs |
|---|---|
| Dimensions | 4 × 4 × 4 in |
