SKU: 39907122588

MFactory Helical LSD Differential Alfa Romeo 145 147 156 TS GT GTV

Sale price$369.61 Regular price$410.68
Save 10%

Pay in installments of $102.67 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 6 - Aug 11

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

MFactory Helical LSD Differential Alfa Romeo 145 147 156 TS GT GTVGain 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: 39907122588

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.8 ★★★★★
Based on 13 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
A
Verified Purchase
Alec
West Palm Beach, US
★★★★★ 4
Solid Everyday Shirt
Color: 312 Red, Size: X-Large
Pretty happy with this one. Fits true to size and looks good on. The cotton is soft and comfortable, feels decent for the price. Stripes look nice and haven't faded after a few washes so far. Not the thickest material out there but it works fine for casual wear. Good shirt to throw on when you want to look put together without trying too hard. Would consider buying in another color.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 6, 2025
J
Verified Purchase
Jobax
Draper, US
★★★★★ 5
Perfectly fitted shorts with great stretch and comfort for the price
Color: 311 White, Size: Large, Color: 311 White, Size: Large
These shorts quickly became a favorite. The fit is spot on — snug in the right places without being restrictive, which gives them a really flattering look. The material feels high quality for the price, and there’s enough stretch built in to make them extremely comfortable for everyday wear. What stands out most is the value. For the cost, the combination of fit, comfort, and durability is hard to beat. They move easily with you, whether you’re lounging, walking, or being active, and they don’t lose their shape after wear. Overall, these shorts hit the sweet spot between style, comfort, and affordability. If you want something that looks fitted, feels good, and won’t break the bank, this is an excellent choice.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 17, 2025
D
Verified Purchase
D. Shardlow
Boise, US
★★★★★ 5
Very nice shirt, runs a little big depending on how you like it to fit
Color: 311 Black, Size: Medium
We got it specifically for the black and white stripes. My husband typically wears a medium. We buy the WYR shirts for him since they have a tapered, flattering fit. I initially ordered the medium but it was too big and baggy especially in the waist. We ended up getting the small and it fits perfect. I really like the hand of the fabric.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 26, 2025
J
Verified Purchase
JLee
New York, US
★★★★★ 5
Seems great so far - 3 washes and nothing but good things to say
Color: 311 White, Size: Large
Shirt looks great colors wise and it's lasted perfectly so far in limited washing (cold water + dryer). There's a bit of stretch above and beyond what cotton normally does (from the nylon or lycra I believe) but you can't tell unless you're putting the shirt on. As for fit - fits me perfectly. I tend to be more of a large in the shoulders and a medium at the waist, but this shirt is great for me. Def more of a fitted look but NOT jersey shore douchey type fitted. EDIT - +1 year and shirt is still going strong. No rips tears, etc. I've washed cold and warm, tumble dry medium
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 24, 2023
T
Verified Purchase
Tori Kalman
Bozeman, US
★★★★★ 5
Comfortable, and surprisingly good quality
Color: 31260 Green, Size: Large
Super comfortable and stretchy, worked great for my chicken little costume. I’ve washed it about 5 or 6 times now and it hasn’t shrunk or gotten pilly or anything.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 23, 2026

recommand products