AC Street Coolant By-Pass Hoses

Ever wonder what the difference between single, double, and triple pass radiators is? Our radiator guide will no doubt help you determine which works best for your application.

Learn how to choose the best radiator for your vehicle. Our guide covers key factors to consider when selecting an aftermarket radiator for your hot rod, muscle car, or classic pickup.

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.

The radiator is an important, but often expensive part of that LS Swap. Here are some options to pick the best radiator for your LS swap on a budget.

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

Learn how to wire dual electric radiator fans. Use our dual fan wiring diagram and guide to make sure you properly wire your fans to your thermostat.

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.

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