Spartan Locker for GM 8.5" w/ 28 Spline Axles, with Heavy-Duty Cross Pin Shaft Individual Small Parts - GM 11.5" Rear 2001-2010 Pinion Gear Tooth Quantity: 13

Pinion Gear Tooth Quantity: 13

- Ford Bronco 1971 - 1996

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27 Spline kit without Locker

Pinion Spline:  29

Spartan Locker for GM 8.5" w/ 28 Spline Axles, with Heavy-Duty Cross Pin Shaft Individual Small Parts - GM 11.5" Rear 2001-2010 Pinion Gear Tooth Quantity: 13Lunchbox Locker by Spartan Locker Description Spartan locker for GM 8. 5" with 28 spline axles, includes heavy duty cross pin shaft. The Spartan Locker, by USA Standard Gear, provides reliable traction at a low cost. The Spartan locker's design does not use the thrust washers and has a revolutionary spring and pin design that makes installation a snap! Fits GM 18. 5" with 28 spline axles Made from 9310 steel for added strength Replaces the spiders in