Sleek and Efficient Differentials
From working out of a small garage to the shop we run out of today, A.C.T. Diff Doctor has grown exponentially over the years. This growth is largely due to our excellent service. We deliver affordable parts on time, all without sacrificing quality. If you want to improve the differential on your car, you won't find better service anywhere.
Mitch Drysdale
100% recommend these guys for any diff or tailshaft needs, absolute great service and quality workmanship with unbeatable prices
Thanks again guys
We Use the Best Equipment for the Best Results
How We Can Help You
Custom Modifications
The parts we use are carefully modified by our experts for each and every car we modify. For the best differentials around, come to our team.
Qualified Repairs
If your differential or tail shaft is broken, we can get it working again. Our repairs are precise, so you can trust your car will run flawlessly.
Specialist Attention
We have narrowed our focus down to differentials, so every car we work on gets the expert attention of over 20 years of experience.