BMW 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.

How to install a chrome radiator hose kit and aluminum thermostat housing on a big block Chevy for an added touch to your engine bay.

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.

Tim M. is all about the classic, traditional hot rod style when it comes to his projects, he’s no stranger to knowing when modern parts mean better performance. Follow along as he adds a bit of modern technology to his Red Ram Hemi!