DSE Ford 9-Inch Aluminum Center Section - 3.70 Ratio - 31-Spline Eaton Truetrac - 90-00020
Put together your Ford 9-inch rear end with a performance-minded combination using the Detroit Speed 90-00020 Aluminum Center Section. This assembly combines a 3.70 gear ratio, 31-spline configuration and Truetrac differential in an aluminum Ford 9-inch package. The 3.70 gearing is a strong choice for performance builds looking for responsive acceleration while retaining gearing that remains practical for a street-driven car.
The 90-00020 combines its 3.70 ratio with a 31-spline configuration and gear-driven Truetrac differential. The Truetrac design provides limited-slip operation without relying on conventional friction clutch packs, making it well suited to performance street, restomod and Pro Touring applications. For builders who want a Ford 9-inch center section with an aggressive but versatile street-performance ratio, this Detroit Speed combination brings the major specifications together in one matched assembly.
Specifications
- Part Number: 90-00020
- Manufacturer: Detroit Speed
- Product Type: Ford 9-Inch Center Section
- Rear End Type: Ford 9-Inch
- Construction: Aluminum
- Gear Ratio: 3.70
- Axle Spline Count: 31-Spline
- Differential: Truetrac
- Differential Type: Gear-Driven Limited Slip
Features
- Ford 9-inch center section for performance-oriented rear axle builds
- 3.70 gear ratio provides responsive gearing for performance street applications
- 31-spline configuration for use with compatible axles
- Truetrac limited-slip differential helps distribute torque without conventional friction clutch packs
- Gear-driven limited-slip design
- Aluminum construction
- Well suited to performance street, restomod and Pro Touring Ford 9-inch rear axle combinations
Fitment
- Ford 9-Inch Rear Axle Applications
- Applications Using Compatible 31-Spline Axles
Fitment Notes
Detroit Speed identifies part number 90-00020 as a Ford 9-inch aluminum assembly with a 3.70 gear ratio, 31-spline configuration and Truetrac differential. Verify axle spline count and all other rear axle compatibility requirements for your specific build before ordering.
FAQs
What gear ratio does the DSE 90-00020 use?
The Detroit Speed 90-00020 uses a 3.70 gear ratio. This gearing is well suited to performance-oriented street builds where responsive acceleration is a priority while retaining practical street manners.
What differential does the DSE 90-00020 use?
The 90-00020 uses a Truetrac limited-slip differential. Its gear-driven design provides limited-slip operation without using conventional friction clutch packs.
What axle spline count is the DSE 90-00020 designed for?
Detroit Speed identifies the 90-00020 as a 31-spline Ford 9-inch assembly. The rear axle combination therefore needs compatible 31-spline axles.
Get Your Detroit Speed Components from Beefcake Racing
Build your Ford 9-inch rear end with the Detroit Speed 90-00020 Aluminum Center Section featuring 3.70 gearing and a 31-spline Truetrac differential from Beefcake Racing. If you need help confirming compatibility or selecting the right Detroit Speed rear-end components for your build, email sales@beefcakeracing.com or call 1-855-827-7223 for assistance.
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