Description
A mini spool eliminates wheel slip and delivers decisive power to both rear wheels under acceleration, making it essential for drag racing, autocross, and high-traction driving scenarios. Unlike open differentials, this 31-spline unit locks the Ford 8.8-inch axle for predictable handling and faster lap times. If you’re serious about performance on the track or strip, this is a straightforward bolt-on upgrade that transforms how your vehicle hooks.
- Ford 8.8-inch axle
- 31-spline design
- Steel construction
- Mini spool type
- Bolt-on installation
- Sold individually






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