Mr Gasket AN Hoses

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.

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.

Learn how to seal a head gasket properly! These tips will help you avoid blown head gaskets and head gasket leaks.

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

Hose & Fitting

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

Here are some tips about Copper & GraphTite gaskets.

Need help selecting the best cylinder head gaskets for your engine? Click here to learn the differences between copper, steel shim and MLS head gaskets. Plus install tips!

How to pick the right small block Chevy oil pan gasket. We look at a 350 Chevy oil pan gasket and help you identify what thick or thin gasket you will need.

Discover what siping is and how it can be used to your advantage.