This is the Losi 234048 Rear Pivot Block Set, 22S Drag

Losi 22S Rear Pivot Block Set. These are optional pivot blocks that allow for different tow adjustments for various surfaces. Choose from 3° (Stock), 1.5° or 4.5° of toe. Package includes one rear pivot block set.

Toe Selections:
1.5°: Best for high traction surfaces
3.0°: Best for medium traction surfaces (Stock)
4.5°: Best for low traction surfaces