USA Standard Gear SL D30-4-27-LSD Limited Slip Diff Assembly Dana-30 27SPL 3.73+

Spartan Helical LSD worm gear limited slip positraction for Dana 30, front The Spartan Helical LSD’s helical-cut worm gears seamlessly funnel torque to the tire with the best grip. Its 10-pinion design is stronger than 6- or 8-pinion units because it has more points of contact to deliver optimal load distribution. Fits Dana 30 front differentials 27 spline 3.73-and-up ratio Forged 8620 steel alloy case and internals for superior durability Recommended gear oil: Non-synthetic 80W-90 GL-5