Ford Performance M-4204-F318C 8.8" Traction-Lok Limited Slip Differential

Vehicle Fitment

• 2003-2004 Ford Mustang SVT Cobra

Features

• Factory-style 8.8" Traction-Lok limited-slip differential
• Clutch-type design with carbon fiber friction plates
• Improves traction and torque bias versus an open differential
• Accepts anti-lock exciter ring on compatible axles
• Designed for performance street and road use
• High durability for repeated torque transfer loads
• Fits 31-spline axle applications
• Direct replacement for original limited-slip unit

Specifications

• Part Number: M-4204-F318C
• Type: Limited-slip differential (Traction-Lok)
• Axle Housing Diameter: 8.8"
• Axle Spline Count: 31 spline
• Internal Clutches: Carbon fiber friction plates
• Compatibility: Solid or independent rear suspension with 31-spline shafts
• Requires: ~4 oz friction modifier for initial fill
• Weight (approx): ~18.7 lb

Included Components

• 1x 8.8" Traction-Lok limited-slip differential assembly

Product Description

The **Ford Performance M-4204-F318C 8.8" Traction-Lok Limited Slip Differential** is a genuine Ford Racing upgrade designed to replace the open differential in the 8.8-inch rear axle of select Mustangs with 31-spline shafts. Its clutch-type limited-slip design uses carbon fiber friction plates for enhanced durability and improved torque distribution, helping reduce wheel spin and improve traction during acceleration and cornering compared with an open rear end. It will accept an anti-lock exciter ring where applicable and is suitable for both solid and independent rear suspension setups.

This differential carries the same specification that was originally used in high-performance 2003-2004 Mustang SVT Cobra models and can be used in performance builds where an upgraded Traction-Lok unit is desired. Installation requires proper axle setup and the addition of friction modifier during initial fill. The item is a direct replacement for the Cobra factory limited-slip differential and serves well for street and moderate performance applications where better traction is needed over a standard open diff.