88-55 FRD/LIN/MER

USA Standard Gear Mini Spools are a low-cost traction option for vehicles looking for full-time lockup. The mini spool installs into a standard open carrier in place of the spider gears and delivers 100% power to both tires at all times. These units are not recommended for street-driven vehicles. Full spools are recommended for vehicles with large tires or high horsepower.

USA standard mini spool for Ford 9" with 28 spline axles

USA Standard Mini Spool For Ford 9in w/ 28 Spline Axles

Provides 100% traction to both wheels at all times

Installs into a standard open carrier case

Not recommended for street driven vehicles

Fits Ford 9" with 28 spline axles

Differential Spool

88-55 FRD/LIN/MER

ZP MINSF9-28

Mini-Spool