GMC C1500 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.

Keep your rear cylinders running cool in a high performance engine by installing a water bypass kit to the intake manifold.

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

Piston rings may not be the most exciting part of an engine build, but knowing how to clock piston rings and how to install rings on a piston is critical to your engine performing properly.

Everyone loves boost and nitrous. But proper piston rings and end gaps are necessary to keep your engine alive. Lake Speed Jr. from Total Seal joins us to talk about the right rings for engines with nitrous and boost.

What happens when you advance or retard a camshaft? In this tech article, we explain the pros and cons of installing your cam straight up, advancing or retarding.

See how to install 3" Ram Horn exhaust manifolds on a C/10 with a 406 engine. Learn some tips on welding steel tubing to a cast iron manifold and how they are modified to fit the truck.

So many brake kits. So many options. Take a breath and click here.