Description
USA Standard steel spool for Model 20 with 29 spline axles, 3.08 & up
Installing a quality USA Standard Gear spool is a cost-effective way to get 100% lockup. Installation is easy as they install in place of your differential carrier assembly. Each USA Standard Gear spool is made from high-quality 8620 steel and heat treated for additional strength. A spool is an outstanding choice for dedicated off-road and drag racing vehicles only.
- 3.08 and up ratio only
- Fits AMC Model 20
- Not recommended for street driven vehicles
- Provides 100% traction to both wheels at all times