Quaife Mk2 Focus ST225 (M66) ATB Differential
SKU: 59760189629

Quaife Mk2 Focus ST225 (M66) ATB Differential

Sale price$393.75 Regular price$437.50
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Ships within 48 hours · Estimated delivery Jul 8 - Jul 13

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Description

Quaife Mk2 Focus ST225 (M66) ATB DifferentialFord Focus Mk2 ST225 (6 speed M66) Quaife ATB Helical LSD differential Quaife ATB Helical LSD differential is suitable for the Ford Focus Mk2 ST225 (6 speed M66). A direct replacement for the standard Ford Focus Mk2 ST225 (6 speed M66) open differential, the Quaife ATB Helical LSD differential transforms your cars performance. Unlike a conventional plate style limited slip differential, the Ford Focus Mk2 ST225 (6 speed M66) Quaife Helical LSD ATB

Ford Focus Mk2 ST225 (6-speed – M66) Quaife ATB Helical LSD differential

Quaife ATB Helical LSD differential is suitable for the Ford Focus Mk2 ST225 (6-speed – M66). A direct replacement for the standard Ford Focus Mk2 ST225 (6-speed – M66) open differential, the Quaife ATB Helical LSD differential transforms your car’s performance.


Unlike a conventional plate-style limited slip differential, the Ford Focus Mk2 ST225 (6-speed – M66) Quaife Helical LSD ATB differential relies on gears rather than clutch plates for its operation. That means it is much smoother in operation.


The Ford Focus Mk2 ST225 (6-speed – M66) Quaife ATB Helical LSD differential never locks harshly with a set pre-load of wheel slip across the driven axle, like a conventional LSD. Rather, the Ford Focus Mk2 ST225 (6-speed – M66) Quaife ATB Helical LSD differential automatically biases the torque away from the spinning wheel across the axle, to a constantly varying degree, and never locks.


The Ford Focus Mk2 ST225 (6-speed – M66) Quaife ATB Helical LSD differential has many benefits over a standard open differential, including maximising traction and minimizing wheelspin, eliminating torque steer and snatching in front wheel drive cars compared to conventional LSD units, and a maintenance-free design which retains the standard oil lubrication.


The Ford Focus Mk2 ST225 (6-speed – M66) Quaife ATB Helical LSD differential is proven in circuit and drag racing, rallying and road use, and is produced from Corus steel billets, and is CAD designed and CNC machined.

Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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SKU: 59760189629

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4.9 ★★★★★
Based on 607 reviews
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Product Reviews
S
Verified Purchase
Scott
Carnegie, US
★★★★★ 5
easy install
fits well not exact like original but looks great.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 20, 2025
A
Verified Purchase
Amazon Customer
Louisville, US
★★★★★ 5
Great replacement
Great replacement for OEM part the dealer wanted 50 bucks each for
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
B
Verified Purchase
Brandon H.
Battle Creek, US
★★★★★ 5
Happy with the price and quality!
Size: Single Slat, Color: Matte Black, Size: Single Slat, Color: Matte Black
I bought this set with low expectations to replace my OEM grill which was falling apart and getting loose. I thought, not much to lose. They actually turned out to fit and look great. Just one tip-- when installing, be sure that you are correctly positioning the tension clips to be in contact with the end of the hood notch. There are a lot of Youtube guides you can find online to help you with it. Otherwise, they will just be totally loose and not fit correctly.
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Reviewed in the United States on March 12, 2019
F
Verified Purchase
Fru
Carnegie, US
★★★★★ 5
Easy install !! They fit well and look good
Size: Single Slat, Color: Chrome
The grill is plastic of course but for the price it makes the car look good. I had a cracked grill and it looked so ugly. These popped right in easy install and makes the car look good again I am happy.
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Reviewed in the United States on May 17, 2026
N
Verified Purchase
Neutrals
Battle Creek, US
★★★★★ 1
If zero stars were an option……
Size: Single Slat, Color: Chrome
Do not buy this product extremely cheaply made the clips don’t flex and they break when installed also a horrible fit
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Reviewed in the United States on May 6, 2026

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