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Vehicle Info NeededUSA Standard 59020 Steel Spool, For Model 20 With 29 Spline Axles, 3.08 & Up
Ships on 09/15/2026
Lowest Price GuaranteeUSA Standard 59020 (ZP FSM20-3-29) Features:
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.
- Fits AMC Model 20
- 3.08 and up ratio only
- Provides 100% traction to both wheels at all times
- Not recommended for street driven vehicles
Maximum Grip 100 Percent of the Time!
USA Standard Gear has engineered these performance spools to provide serious traction for drag racing cars. These performance spools are designed and constructed with the latest manufacturing technology, from the highest quality materials, and are available in your choice of a full spool size or mini spool size. Each spool is precision machined to meet the highest standards for high strength and durable performance.
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