USA Standard Spartan Locker For GM 8.5in w/ 28 Spline Axles / Incl. Heavy-Duty Cross Pin Shaft

The Spartan Locker is a lunchbox locker that delivers reliable, 100% lockup traction at a low cost. It's design does not use the thrust washers and has a revolutionary spring and pin design that makes installation a snap!

• Replaces the spiders in a standard carrier case
• Mechanical locker delivers reliable 100% lockup
• Made from 9310 steel for added strength
• Fits GM 18.5" with 28 spline axles