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$1,006.61 (inc GST) $915.10 (exc GST)

Due to the nature of automotive modifications and motorsports, some products displayed may only be suitable for off-road & motorsport applications.
If in doubt of the suitability of a product for your intended application, please check with your local transport & road authority.

 Product Description

Gain 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! Rated to 1000 WHP! 


  • Diamond Cut to exacting tolerances from Forged High-Nickel-Chromium-Molybdenum Steel
  • Perfect fitment & finish ensures hassle-free installation & maintenance, each and every time


  • Designed using leading-edge Solidworks 3D CAD & Cosmos FEA software
  • Advanced Gear Geometry minimizes parasitic drivetrain losses. Race transmissions built with MFactory components transfer, on average, 1-2% more power to the ground over our competitors!


  • Stress Tested on loaded dynos
  • Ensures our differentials are strong enough to handle the shock loads encountered during racing, yet also durable enough to handle the variable loads encountered during day-to-day driving.


  • 2nd Generation Design
  • The MFactory v2 Helical LSD is lighter, stronger and more efficient than any other Helical LSD on the market today!


  • Covered by the MFactory Feel The Torque™ 30-Day Money Back Guarantee! 

An Industry First!

     If you do not feel the difference after installing your new Limited Slip Differential, you may return the product to us for a full refund (excluding shipping costs) within 30 days of the purchase date


  • Covered by the MFactory Lifetime, Globally Transferable Warranty
  • Whether used on the Street, Strip or Track, all MFactory Helical LSD's come with a Lifetime, No-Hassle, Globally Transferable Warranty


  • No-Load/One-Wheel Syndrome
  • A common misconception is that a Torsen-Style Differential is useless under a no-load situation (e.g One wheel in the air). Although true to an extent, this no-load situation does not apply to the modern day car with Traction Control (or eDiff). For those without traction control, there is a simple solution to the problem that our competitors will not tell you; simply tap your brake pedal lightly with your left foot

    • Made from imported Japanese SAE 4320 & SAE 9310 Steel
    • Forged, Double Tempered and Super Sub-Zero treated 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
    • 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


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 Product Reviews

Write review

  1. Completely tranforms the way the car handles

    Posted by Matt McCredie on 10th Dec 2016

    The best mod you can do to improve handling on the Fiesta ST, you can get on the power earlier in the corner and exit acceleration is crazy.
    The diff itself you wouldn't even know it is there until you want it to, low speed turning through carparks I was expecting some type of noise or gear chatter but there isn't any at all.
    By far the best mod I have done on the car. Can't wait to track it


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