Powertrax 31-Spline 9” Differential No-Slip Drop-In Lock Assembly Bronco 1966-1977

Don’t risk your 1966-1977 Bronco losing traction on off-road or challenging terrains! The Powertrax Differential No-Slip Drop-In Lock Assembly automatically locks both axle shafts together to prevent traction loss.  

Features and Benefits:
- Installs in stock open differential carrier housing with side gears
- Designed to fit 9” Ford differentials
- Fits 31-spline axles
- Locks both axle-shafts together
- Durable steel construction

This lock assembly is engineered to fit 9” Ford differentials and 31-spline axles. Made from durable steel, it ensures your rear tires rotate at the same speed with lasting reliability. This lock assembly can fit directly into your stock open differential carrier housing. And since no ring and pinion set-up is required, installation is more straightforward.

Please Note: Professional installation is recommended for this part.