SKU: 21289036273

MFactory Helical LSD Differential Ford Mustang 9in

Sale price$295.49 Regular price$328.32
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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14

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Description

MFactory Helical LSD Differential Ford Mustang 9inGain 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! Diamond Cut to exacting tolerances from Forged High Nickel Chromium Molybdenum Steel Perfect fitment & finish ensures hassle free

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!

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!

Multiple Stages Available (Honda & Mazda)
Users can choose (and upgrade) between the various Stages available, which determine the Bias Ratios. With the MFactory Helical LSD, upto 75% torque can be transferred to the one wheel! A must-have for serious road-racers

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

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 very commonly used solution to the problem (used by professional race car drivers over the past 30+ years) that our competitors will not tell you; simply left-foot brake

Specifications

  • 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
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 21289036273

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4.7 ★★★★★
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Mrs. G
Lexington, US
★★★★★ 3
Way too big
Size: XX-Large, Color: Light Gray
Can't really speak to the quality of the suit as it was only tried on, but the look was nice enough. Purchased based on measurements and sizing guide and it was huge. Probably could have gone 2 sizes down but didn't have time to reorder in a different size so just returned. Ordered XXL for son who is 6ft and 220lbs. He wears a large to XL in most tops and a 33x34 in most jeans. Many reviews advised to size up. He was drowning in the XXL. Color was nice light gray.
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Reviewed in the United States on April 26, 2026
M
Verified Purchase
Micah Poet
Boise, US
★★★★★ 5
I sized down
Size: Large, Color: Navy Blue
This suit fit very well! And looks very sharp. It looks great with or without the jacket. I had to size down from my normal large to a medium, but as someone who’s skinny tall, I’ve always wavered between medium and large.
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Reviewed in the United States on June 3, 2026
J
Verified Purchase
JustAShopper
Bozeman, US
★★★★★ 5
Nice suit
Size: Medium, Color: Black
Cool fits well and is comfortable.
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Reviewed in the United States on May 21, 2026
J
Verified Purchase
Jamie Myers
Louisville, US
★★★★★ 4
Very pleasantly suprised - good quality, for a great price!
Size: Large, Color: Black
I ordered this suit for my son, for Prom. I was nervous that it was going to be poor quality, or the fit would be really off, but was absolutely blown away by the quality, for the price. ..its a great deal for good quality. Especially for young men. For reference, my son is tall (6'2") and medium/slender build. He usually wears about a 33" waist. I ordered him a Large but maybe could have gone XL. It does seem to be a slimmer fit. He doesn't usually wear XL in anything.
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Reviewed in the United States on April 29, 2026
S
Verified Purchase
shanny
Houston, US
★★★★★ 5
Exceeds expectations
Size: Medium, Color: Light Gray
This suit exceeds all expectations. I ordered a M and it fits my grandson perfectly. Well made, and arrived the next day after ordering
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Reviewed in the United States on April 25, 2026

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