8.8" differential
Fits 31 spline axles
Torsen T-2 type differential
Features full time torque-sensing, torque-biasing
Fits solid axle and 2000-2004 Cobra IRS with 31 spline
M-4204-T28 fits solid axle and 1999 Cobra/Thunderbird/Mark VII with IRS (2000-04 Cobra has 31 spline)
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• 8.8" differential
• Fits 31-spline axles
• Fits solid or independent rear suspension
• Carbon fiber clutch plates for increased durability
• Will acccept anti-lock exciter ring,
• Requires 4-ounces of CM-19546-A1 friction modifier with initial fill
• Original equipment in 2003-04 Mustang Cobra  

 

NOTES:

• Will accept anti-lock exciter ring.
• Requires 4-ounces of CM-19546-A1 friction modifier with initial fill.
• Fits 2003-04 Cobra.

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Kit includes:     
Carbon fiber clutch pack    
Shims    
31 spline S-spring, 28 spline applications require use of 28 spline S-spring not included     
Differential pin lock bolt with thread lock    
Instruction sheet

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The Eaton Detroit Truetrac® limited-slip differential is the pioneer in helical gear based traction technology. Wheel spin out is limited by the differential, which employs pinion- and side-gear separation forces to automatically transfer torque to the wheel with the best traction. Mobility, stability and handling are enhanced, and drivers can be confident knowing that up to 3.5 times more torque is being transferred to the high-traction wheel. Operation of the Truetrac® is smooth and quiet, and the unit will engage without any driver knowledge or action required. It also has no wearable parts and requires no maintenance, meaning a lower overall cost for the customer.

Truetrac® Operation

The Truetrac® operates as a standard or open differential under normal driving conditions, allowing one wheel to spin faster or slower as necessary. When a wheel encounters a loss of traction, the gear separation forces take effect and transfers torque to the high-traction wheel. The helical-shaped pinion gears continue to mesh with the side gears with increasing force until wheel spin is slowed or completely stopped. When the vehicle exits the low traction situation, the separation forces cease and the differential resumes normal operation.

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***THE MANUFACTURE ONLY RECOMMENDS THE FOLLOWING AFTERMARKET DIFFERENTIAL FLUID:

75W90 Motul Gear 300 (100118)
75W140 Motul Gear Competition (101161)

**THE WAVETRAC IS THE ONLY TORSIONAL DIFFERENTIAL MANUFACTURED THAT WORKS IN NO OR NEAR NO-LOAD CONDITIONS!

Product Description
THE WAVETRAC® AT A GLANCE:

• Innovative:Patented Wavetrac® design automatically improves grip in low traction conditions. This feature is truly innovative and unlike any other torque biasing diff design.

• Superior Materials:9310 steel gears run in case-hardened billet steel bodies. ARP® fasteners used throughout.

• Maintenance Free:As supplied new, the Wavetrac® differential will perform a lifetime of service without maintenance or rebuilds.

• Limited LIFETIME Warranty:All Wavetrac® differentials include a transferable, Limited Lifetime Warranty.

NOTE: 1999 Cobra required to swap to 31 spine CV's if using a 31 spline differential is desired. 1999 Cobra's are OEM equipped with 28 spline CV's.

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Detroit Locker 8.8" 28 Spline Differential

* Fully Automatic Locking Action
* No Individual Wheel Spin-out
* Maintenance Free
* Legendary Durability
* Easy Installation
* Proven Design One Year
* Warranty

New preload devices between the side gears provide for a quieter and smoother traction control.

The legendary Detroit Locker began the revolution in performance differentials, and yet it still leads the industry. The Detroit Locker is still the most durable and reliable locking differential available. Detroit Locker maximizes traction by delivering 100% of the torque and power to both drive wheels. It is engineered to keep both wheels in a constant drive mode, and has the ability to automatically allow wheel speed differentiation when required.

No other performance differential has the reputation for durability of the Detroit Locker,delivering traction in mud, snow, dirt and over rocks and ruts.

Proven every week by demanding professionals in NASCAR, IHRA, NHRA, ARCA, CORR and other performance enthusiasts. The most rugged positive locking differential, and most widely available for axles from 3,000 to 70,000 lb. capacity.

For severe operational conditions. Driver may hear and feel "backlash" going from drive-to-coast and coast-to-drive, as reversing torque flow resets the components.

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Eaton Detroit True-Trac 8.8" 31 Spline Limited Slip Differential

NOTE: 2005+ Mustangs Require Axle Spacer Modification

The Detroit Truetrac is a gear to gear limited slip unit that performs like an open differential under normal driving conditions and automatically transfers torque to the wheel with better traction when ground conditions warrant. The limited slip unit responds instantly to torque feedback, anytime, at any speed.

Detroit Truetrac:
* Uses pairs of "Helical" gear sets
* Gears only - no clutch packs.
* Ideal for 4WD front axles or rear axles, as well as 2WD; light trucks, SUV?s, cars.
* Rugged yet smooth and quiet.
* Torque bias ratios of 2.5 to 3.5:1 range.

The Detroit Truetrac, manufactured by Tractech, is the aftermarket?s leading gear type limited slip differential. The patented design of parallel axis planetary helical gears provide a quiet, automatic splitting of torque. Power transfer goes literally unnoticed by the driver - even in front wheel drive axles. The Detroit Truetrac performs like an open differential under normal driving conditions and automatically transfers torque to the wheel with better traction when ground conditions warrant. The limited slip responds instantly to torque feedback, anytime, at any speed.

Detroit Truetrac?s are engineered for front and rear axles, semi floating (C-clip axles) and transfer cases. Proven design, low cost and effective performance all make the Detroit Truetrac limited slip the choice of professionals and traction enthusiasts everywhere.

Great for off-road, street and strip.

The Detroit Truetrac delivers the traction necessary for drag racing and off-road terrain while not adversely affecting handling on the street.

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Detroit Locker 8.8" 31 Spline Differential

* Fully Automatic Locking Action
* No Individual Wheel Spin-out
* Maintenance Free
* Legendary Durability
* Easy Installation
* Proven Design One Year
* Warranty

New preload devices between the side gears provide for a quieter and smoother traction control.

The legendary Detroit Locker began the revolution in performance differentials, and yet it still leads the industry. The Detroit Locker is still the most durable and reliable locking differential available. Detroit Locker maximizes traction by delivering 100% of the torque and power to both drive wheels. It is engineered to keep both wheels in a constant drive mode, and has the ability to automatically allow wheel speed differentiation when required.

No other performance differential has the reputation for durability of the Detroit Locker,delivering traction in mud, snow, dirt and over rocks and ruts.

Proven every week by demanding professionals in NASCAR, IHRA, NHRA, ARCA, CORR and other performance enthusiasts. The most rugged positive locking differential, and most widely available for axles from 3,000 to 70,000 lb. capacity.

For severe operational conditions. Driver may hear and feel "backlash" going from drive-to-coast and coast-to-drive, as reversing torque flow resets the components.Learn More