USA Standard Gear Spartan Locker Helical Limited Slip Differential for Dana 30 Front 27 Spline 3.73 & Up

The USA Standard Gear Spartan Locker Helical Limited Slip Differential is designed to enhance the traction capability of your Dana 30 front differential. Featuring a robust helical gear design, this unit ensures years of maintenance-free service. When wheel slippage occurs, its pre-loaded worm gears effectively channel more power to the tire with the best traction. The 10-pinion design offers a strength advantage over smaller units, providing optimal load distribution. Built with a forged 8620 chromoly case and alloy internals, it delivers superior durability and smooth engagement, making it ideal for various terrains, from muddy trails to slippery roads. • FITMENT: Dana 30 Front 27 Spline, 3.73+ Ratio • METALLURGY: Forged 8620 Steel Alloy Case and Internals for Superior Durability • SMOOTH TRACTION: Smooth Engagement and Linear Traction • MAINTENANCE FREE: Maintenance Free, No Worry Performance • GEAR OIL: Recommended Gear Oil: Use Non-Synthetic 80w-90 GL-5, Use of Friction Modifiers Not Recommended