The helical gearing manages the distribution of friction within the LSD. When torque is applied to the helical gear system it creates force that pushes the gear into the differential body, thus creating friction.
Kingpin Repair Kit fits VW BEETLE 1302 1.6 70 to 73 AD 111498051A2 VOLKSWAGEN
HT Leads Ignition Cables Set fits VW BEETLE 1302, 1500 1.6 70 to 79 AD Bosch New
Steering Box RHD VW Beetle 1302 and 1303 1971–1974
Clutch Cable fits VW BEETLE 1302 1.6 71 to 74 Firstline 111721335C VOLKSWAGEN
Steering Box Shaft w Joints 1302 & 1303 VW Beetle 113415951B Good Quality