The torque biasing principle uses internal worm gears to progressively transfer drive from one side of the car to the other if there is a loss in traction. Newly released June 2026, our 3J driveline/UL Trac /Longford Gear 'SVS' diff now available for the rear of the BNR32/BCNR33/BNR34 models, (non v-spec), designed to use the after 05/92 31 spline stub axles (stock on 33 and 34 non vspec, and 32 after May 1992 production)
