DMI Differential Bearings and Seals

The pros and cons of a welded diff vs open diff, plus what to know before learning how to weld your differential.

A short article explaining the main differences between open and limited slip differentials.

Read a step by step on how to grease your bearings after racing and the importance of bearing maintenance through out race season.

How to clean and seal your old tank

In this Tech Tip, John confirms a customer question regarding the need for a proportioning valve on his ’55 F100 brake build.

Speedway Motors Custom Length Driveshaft Kits make it easy to have a custom made driveshaft that's perfect for your application delivered right to your door!

Looking for a performance or custom brake set-up? Whether you're replacing components or building your brakes from scratch, you may wonder what size master cylinder or booster to use. No need to worry, just follow our handy guide.

Learn how durometers can help you select the best tires from a new stack, or help you decide when you need to replace your current set.

Should you use single or dual diaphragm brake boosters? Read our guide to learn which is best for your four wheel drum or four wheel disc brake system.

In this Tech Tip, a customer asked about finding a set of disc brakes for his 1949 Ford F1 pickup, with one caveat. He wants to use the factory wheels.