Sport Compact Fittings and Hose Parts

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.

Hose & Fitting

Learn how to use Koul Tools for your AN Hose Assembly with our video guide. Koul Tools make it easy to install a braided rubber hose into the AN fitting socket.

Having a difficult time deciding which racing harness to use? With many options to consider from size to closure type, this article will walk you through how to go about choosing the perfect one for you and your race car. Safety first!

Dick from Koul Tools shares a tip on how to properly seat the AN fittings using the Koul Tools device.

This handy adapter is an inexpensive way to adapt an LS into your classic, muscle car, or truck. It takes care of the steam line as well as the hose diameter difference, allowing you to run a standard radiator with your LS swap.

Compliment that new fire suit you just purchased with the appropriate SFI-rated racing shoes to go with your program. Our racing shoes buyer's guide will help lead your way to the best racing shoe for you!

It's important to use the right method when you're cleaning fire resistant material. We can show you the recommended procedure to ensure the durability and integrity of your suit through its entire lifecycle.

Fire suits are constructed from a variety of fire resistant materials. We can teach you the difference between the most common suits like Nomex and fire resistant cotton such as Proban.

Learn how to install spark plug wire terminal ends. Our step by step guide takes you through terminal end and boot installation with the use of a wire crimping tool.