USA Standard Spool For Ford 9in / 31 Spline

Manufacturer Part # : ZP FSF9-31

Market Description

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.

Features and Benefits

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

Product Description - Short

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

Product Description - Long

USA standard spool for Ford 9", 31 spline

AAIA Part Type Description

Differential Spool

Label Description

88-55 FRD/LIN/MER

Product Description - Invoice

ZP FSF9-31