Garage Sale - Powertrax Ford 9 Inch Locking Differential, 31-Tooth, 1957-Up Open Drive
The Powertrax Traction System is the latest design in traction adding differential technology. It combines the smooth operation of a limited-slip differential, with the traction performance of a locking differential. A precise synchronization mechanism eliminates the ratcheting sounds typical of other locking differentials. Special gear and spring design reduce the backlash and therefore driveline windup. An ultra-strength alloy material is used throughout, which is 67% stronger than titanium.
Installation is simple because no ring and pinion set-up is required. In addition, no special tools or oils are needed (installs in about one hour). Step by step model specific instructions are provided with every kit.
- Positive traction - full locker
- Delivers engine power to both wheels when coming off the line
- Upgrade and improve your times and your vehicles reputation
- Smooth quiet operation - fully automatic
- Do-it-yourself - installs in about one hour
- No special tools required
- Works for both cars and trucks
- Gives 2-wheel drive trucks the traction power of 4x4's
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Q & A
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Diagrams showing the proper measuring techniques for axles and identification diagrams for the various 9-Inch housings.
A brief overview of the steps Speedway Motors takes to ensure you get a quality differential.