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.
USA Standard Spartan LSD Worm Gear Positraction for Dana 30 Diff w/ 27 Spline 3.73-up Ratio
Spartan Helical LSD worm gear limited slip positraction for Dana 30, front
D30 27spl 3.73 - UP, HELICAL WORM GEAR LIMITED SLIP DIFFERENTIAL
Limited Slip Differential Assembly
positraction LSD
SL D30-4-27-LSD