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The USA Standard Spartan Locker for Ford 8.8-inch carriers with 31-spline axles and a 7/8" cross pin shaft is a lunchbox-style mechanical locker that replaces the carrier spiders to provide 100% lockup traction. Yukon highlights a spring-and-pin design that eases installation and heat-treated 9310 steel internals for strength, offering an affordable traction upgrade for Ford 8.8in 31-spline applications.
USA Standard Spartan Locker For Ford 8.8in / 31 Spline / Incl. Heavy-Duty Cross Pin Shaft
