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8.8" Traction-Lok Differential
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FORD PERFORMANCEPART NUMBER: 397-M-4204-M

8.8" Traction-Lok Differential

$22049$244.99You Save$24.50
ShippingShips on 09/11/2026
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Mustang
  • Traction-Lok Differential
  • 2015-2017 Mustang GT
  • 8.8"
  • 34-Spline Axles

    Ford Racing Traction-Lok differentials optimize your vehicle's traction by transferring the power to both rear wheels. These limited slip differential units use heavy plate-style clutches to ensure your engine's full power potential makes it to the ground. Perfect for the street or strip, these differentials will accommodate the anti-lock brake exciter ring found on most late model vehicles.

  • High Strength 34-Spline Limited Slip

    Ford 8.8 Differentials

    Ford Racing 8.8" Differentials give you a strong, reliable replacement for your factory unit. Choose from either Traction-Lok, Torsen Type, or Torsen T-2 to best fit your application and driving type. Traction-Lok. This clutch type can really plant the power to the ground through both wheels and is usually rebuildable. It is perfect for applications that are going to be used for straight-line street or street/strip use. While designed to allow smooth cornering without any ratcheting or coupling issues, it is not the most consistent controlling torque for through the corner acceleration.

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    Upgrade your rear-end setup with Ford Performance 8.8 Inch Differentials — a rugged, reliable upgrade for enthusiasts who demand improved traction, durability, and overall drivetrain performance. Whether you’re building a street cruiser, track car, or weekend warrior, these differentials deliver the strength and responsiveness needed to enhance acceleration and vehicle control in a range of driving conditions.

    The Ford Performance 8.8 differential platform is engineered from the ground up with heavy-duty components designed to outlast stock units. Precision-finished housings and high-quality internal gears help ensure smooth power delivery to both rear wheels, while robust bearings and seals reduce wear and extend service life — even under high torque or repeated load situations. This makes it an ideal choice for performance builds that see both daily driving and spirited use.

    One of the most popular options in this lineup is the 8.8 limited slip configuration, which improves traction by distributing torque intelligently between the two rear wheels. This enhanced traction translates to better grip during hard launches, corner exits, and slippery road conditions — giving drivers more confidence and improved performance off the line. The 8.8 limited slip differential also helps reduce wheel hop and uneven tire wear, making it a smart upgrade for both street and competition applications.

    Installation is straightforward for those familiar with rear-end work, and Ford Performance provides the engineering support and quality components you expect from factory-backed upgrades. Whether you’re refreshing a worn unit or building a high-power machine, these 8.8 Differentials boost rear-end strength, traction, and performance — helping you make the most of every horsepower and torque pound your vehicle produces.

Part TypeDifferential Carrier
Product LineFord Performance 8.8 Inch Differentials
BrandFORD PERFORMANCE
Package Height10.4
Package Width10.5
Package Length11.0
Weight21.35 PG
Part CategoryReplacement Parts
PositionN/A
Part FitmentSemi Universal
Vendor Part NumberM-4204-M
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
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