Yukon Spartan locker spring and pin kit for large Dana 60 differentials supplies replacement springs, alignment pins, and retainer wires to support Spartan locker operation. Spartan Lockers are described as delivering reliable 100% lockup traction using heat-treated 9310 steel internals for durability; this kit includes four springs and four alignment pins and fits Dana Spicer 60 applications.
Yukon Gear Spartan Locker Spring & Pin Kit for LRG Dana 60 Differential