Street Heater Hoses

The process of changing out a heater core in a 1957 Bel Air. This article discusses the assembly of parts and important tips to remember while changing out a heater core.

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.

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.

Jeff demonstrates how to install and mount an A/C evaporator in his 1967 Chevelle. Read some tips on how to get a clean factory appearance.

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.

Hose & Fitting

Learn about the functionality of key parts in a hot rod air conditioning system for install or diagnosing issues. We cover the condenser, compressor and more.

You won't make it far down the road or around the track with a damaged radiator. Here's how to handle a leaky radiator, and more importantly, how to prevent holes and other radiator damage in the first place.

Choosing the right suspension products when building your street rod or custom car. A step by step on how to determine which parts are needed for installation, how to calculate the spring rate and other helpful tips along the way.

Learn the importance of maintaining the right pressure in your tires for longer wear, enhanced handling and to get better fuel economy.