This part is used on axletech 4000 steer axles, it sits inside on the end of the outer axle shaft on a steer axle, this parts is required for to control the trust on a steer axle, catastrophic failure can happen if this part is missing

Item # 8 & 9

1 kit includes:

• 1 button
• 1x shim kit

2 kits are required per steer axle