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The USA Standard Spartan Locker for Dana 30 with 27-spline axles delivers reliable, mechanical 100% lockup traction in a lunchbox-style package that installs without removing the differential in many cases. Yukon’s market description highlights the spring-and-pin design that replaces spider gears and omits thrust washers, while heat-treated 9310 steel internals improve strength and simplify field installation for Dana 30 applications.
USA Standard Spartan Locker For Dana 30 Diff w/ 27 Spline Axles / Incl. Heavy-Duty Cross Pin Shaft
