Spartan Locker Helical Limited Slip Differential Worm Gear Positraction Dana 30 Front 27 Spline 3.73 & Up (SL D30-4-27-LSD)
- 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.