Thread Lockers

Comparing open diff vs limited slip vs locker differentials. Learn how each works, pros and cons, and which is best for your build.

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

AN fittings are a simple and effective way to plumb fluid systems in your car. This AN fittings install guide answers some of the more common questions pertaining to AN fittings and AN line.

Ever had brand new bolts or nuts bind up on you? Take a minute to read through the steps you should take anytime you’re building an engine or installing new hardware.

The process of changing out a mechanical fuel pump in a 1957 Bel Air and some helpful tips while doing so.

Learn how to successfully upgrade the cooling system for a 400 small block Chevy. Read tips for installing a water pump and auxiliary coolant lines using fittings and fuel hoses.

Learn how to re-build a junkyard Small Block Chevy. A step-by-step guide on how to select a SBC, machine the valve guide bosses down, and what parts to use to upgrade to your personal liking.

How to clean and seal your old tank

Kevin W. walks through each step of installing a new alternator bracket on a 454 Big Block Chevy.

Learn how to install a Line lock as well as installing a line lock button and how a line lock works, with Kevin as he goes through the process on his '54 Chevy Belair.