9" Differentials and Rear-End Components
This range covers the bolts, bearings and installation parts needed to build, rebuild or service a Ford 9" differential, a popular diff in racing and hot rod builds thanks to how easy it is to set up and strengthen. You'll find ring gear bolt kits, pinion bearing kits, installation kits and rear-end hardware like panhard bolts.
Parts here are specific to bore size, bolt length and thread, so check your case and ring gear specs before ordering. Typical products include:
- Ring gear bolt kits in chromoly for strength
- Pinion bearing kits for rebuilds
- Installation kits matched to case bore size
- Panhard bolts and other rear-end hardware
If you're rebuilding from scratch, an installation kit suited to your case bore is the best starting point, then add the bearing and bolt kits your specific diff needs.
Frequently asked questions
What do I need to rebuild a Ford 9" differential?
At minimum an installation kit matched to your case bore size, plus a pinion bearing kit and ring gear bolt kit for the gears you're running.
Does bore size matter when choosing parts?
Yes, installation kits are matched to specific case bore sizes like 3.062", so check your housing before ordering.
Why use chromoly ring gear bolts?
Chromoly bolts offer more strength than standard bolts, which matters under the higher loads of racing or performance use.
