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MFactory Helical Cut Differentials - D-Series

WARNING: Cancer and Reproductive Harm

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Ships in 1-5 Business days.

Gain a prominent advantage over the competition with the MFactory Helical LSD. Through the smooth and constant distribution of power to the wheels, the MFactory Helical LSD puts the power-to-the-ground and maximizes your vehicle's traction. A must for any FWD race car, be it Street, Strip or Track!


  • Made from imported Japanese Steel
  • Forged and Cryo-Tempered for unsurpassed toughness
  • Advanced Shot Peening technology increases surface hardness
  • Designed to withstand the extreme shock loads of competition-level Drag Racing
  • Advanced gear geometry designed using industry-leading software puts more power to the ground
  • Rated for 1000 horsepower and below
  • Only the highest quality Brighton-Best Hardware is used
  • Maintenance-free Gears eliminates the need for special fluids & rebuilds associated with plate-type LSDs
  • Lock-free operation ensures no adverse affect to steering response

Please Note: D16 applications with 40mm bearings will require the Black Speedo Gear sold by MFactory as well to work. This product is sold seperately. D15/16 Applications with 35mm bearings will require the White Speedo Gear to work, which is also sold separately by MFactory. Please contact us if you need to purchase either of these.


    Please review MFactory's limited lifetime warranty at the following site to ensure you qualify for the warranty before installing . Follow this link and click "Product Warranty" to review it.

    *Photo may vary from the product you receive.