About this product
Yukon Gear ZP FSF9-31 - USA Standard Spool For Ford 9in / 31 Spline
USA standard spool for Ford 9", 31 spline
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.
Description supplied by Complete Street Performance through its current Shopify listing. Product, performance, and health claims are the seller’s and have not been independently verified by StorkScout.






