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Thumbnail Filmstrip of Yukon Gear ZP FSM20-3-29 USA Standard Steel Spool for Model 20 w/ 29 Spline Axles, 3.08+ Images
Yukon Gear ZP FSM20-3-29 USA Standard Steel Spool for Model 20 w/ 29 Spline Axles, 3.08+ (Manufacturer part # ZP FSM20-3-29)
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.- Provides 100% traction to both wheels at all times
- Not recommended for street driven vehicles
- 3.08 and up ratio only
- Fits AMC Model 20