Description
A spool eliminates differential action, locking both rear wheels together for maximum traction during hard acceleration—essential for drag racing, circle track, and any application where consistent power delivery matters. If you’re building a high-output rear end that demands unwavering wheel speed synchronization, this Allstar Performance spool delivers the direct, no-slip engagement required to convert all your engine’s torque to the pavement. Engineered for the Ford 9-inch housing, it’s a proven, cost-effective alternative to multi-plate lockers when absolute lock is your priority.
- Spool type
- Full-size unit
- 31-spline design
- Steel construction
- Ford 9-inch compatible
- Bolt-on installation
- Sold individually
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