








🛠️ Unlock unstoppable traction with Spartan precision!
The Spartan Locker Helical Limited Slip Differential is a robust, maintenance-free upgrade for Dana 30 front axles with 27 splines and 3.73+ gear ratios. Featuring a forged 8620 chromoly steel case and internals, its 10-pinion helical worm gear design delivers smooth, linear traction and superior load distribution for enhanced vehicle control in diverse terrains.









| Manufacturer | Spartan Locker |
| Brand | USA Standard Gear |
| Model | Spartan Locker Helical Worm Gear Limited Slip Differential for Dana 30 27 Spline 3.73 & Up |
| Item Weight | 14.83 pounds |
| Package Dimensions | 9.09 x 8.5 x 8.5 inches |
| Item model number | SL D30-4-27-LSD |
| Exterior | Machined |
| Manufacturer Part Number | SL D30-4-27-LSD |
| Special Features | FITMENT: Dana 30 Front 27 spline, 3.73-and-up ratio, GEAR OIL: Recommended gear oil: Non-synthetic 80W-90 GL-5. Use of friction modifiers not recommended, MAINTENANCE FREE: Maintenance free, no worry performance, METALURGY: Forged 8620 chromoly case, 8620 chromoly alloy internals for superior durability, SMOOTH TRACTION: Smooth engagement and linear traction |
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