MFactory Helical Limited Slip Differential Focus STGain a prominent advantage over the competition with the MFactory Helical Limited Slip Differential. Through the smooth and constant distribution of power to the wheels, the MFactory Helical LSD puts the power to the ground and maximises your vehicle's traction. A must for any race car, be it Street, Strip or Track! less Diamond Cut to exacting tolerances from Forged High Nickel Chromium Molybdenum SteelPerfect fitment & finish ensures hassle free