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The USA Standard Spartan Locker for GM 8.5-inch with 30-spline axles provides a compact lunchbox locker that replaces the spider gears to deliver mechanical 100% lockup traction. The spring-and-pin design eases installation in a standard carrier case, while heat-treated 9310 steel internals increase durability, offering a straightforward traction solution for GM 8.5in 30-spline differentials.
USA Standard Spartan Locker For GM 8.5in w/ 30 Spline Axles / Incl. Heavy-Duty Cross Pin Shaft
