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USA Standard Spool For Ford 9in / 31 Spline

USA Standard Spool For Ford 9in / 31 Spline

$186.64
Part no. ZP FSF9-31 In stock
Special order In stock with our distributor. Usually ships in a few business days, and we email tracking as soon as it leaves.

Your vehicle

Year, make and model. Our techs check fitment against it before the order ships.

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...

Full details and fitment

The details

About this part

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.

Installation Instructions
Installation Instructions
  • Provides 100% traction to both wheels at all times
  • Not recommended for street driven vehicles
  • Fits Ford 9" with 31 spline axles