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USA Standard ZP FSF9-31 Spool, For Ford 9 in., 31 Spline
InfoVehicle Info Needed
YUKON GEARPART NUMBER: 807-ZP FSF9-31

USA Standard ZP FSF9-31 Spool, For Ford 9 in., 31 Spline

$17999
ShippingShips on 09/15/2026
Lowest PriceLowest Price Guarantee

Ford 9 in.
USA Standard Spool
  • For Ford 9 in.
  • 31 Spline

    USA Standard ZP FSF9-31 (ZP FSF9-31) 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 Ford 9 in. with 31 spline axles
    • 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.

    Part TypeSpool
    Product LineUSA Standard Gear Performance Spools
    BrandYUKON GEAR
    Package Height7.0
    Package Width8.0
    Package Length8.0
    Weight7.83 PG
    Vendor Part NumberZP FSF9-31
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews
    Please click here to download the instructions PDF file

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