Anyone who knows anything about building a bulletproof rear differential for their street or race car, knows that Eaton is one of the biggest names in the business. We caught up with the boys at Eaton Performance this year, and they gave us all of the details about their current offering for the Ford 9-inch – a rear differential relied on by enthusiasts the world over.

Official Release:

Eaton Truetrac Ford 9-inch

Why the Detroit Truetrac?

This highly engineered unit will provide maximum
power to the ground while enhancing driving and handling characteristics.

Vehicle Uses

The Detroit Truetrac is designed for a variety of uses. Professional racing, high- performance street and off-road vehicles will all benefit by installing a Truetrac. Its smooth, automatic operation and proven strength make the Truetrac for Ford 9” – 35 Spline ideal for upgrading existing units, building custom powertrains or converting truck/heavy-car axles.

Operation

Helical-style gears drive the Detroit Truetrac. When needed, the gear separation forces automatically transfer torque to the high traction wheel.

Features and Specs:

• Unit is light-weight at only 14.6 lbs
• Designed with five (5) pinion- gear sets for incredible strength
• Parts are maintenance free meaning more time on the road
• Validated performance and durability
• Helical-style gears; limited-slip operation