International Coolant By-Pass Hoses

How does a cooling system work? Why is your engine overheating? What parts should you be giving your attention to? This guide answers all your questions.

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

This tech talk reviews the advantages of swapping out a stock style down flow radiator in a '54 Bel Air with a BBC, to a double pass cross flow radiator. Kevin and Joe also discuss some of the modifications that will have to be made.

Learn how to install an external Transmission Cooler, to help keep the temperature of your transmission consistent.

In this guide, Kevin demonstrates how to properly install an external oil cooler in his '54 Chevy Belair with a Big Block Chevy engine.

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.

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.

Hose & Fitting

Learn how to wrap exhaust headers to help keep under hood temperatures down. This articles shows how cast iron exhaust manifolds are wrapped in 1-inch black header wrap with stainless steel exhaust wrap ties.