Mercury Custom Fuel Injection Relays

Fuel injection is here to stay and we delve into the benefits of such retrofit systems for your classic muscle car or street rod in our EFI retrofit buyer's guide!

This drag and drive '49 Mercury is not at all what you'd expect from a chopped Merc. It's part custom, part hot rod, and built to do it all.

Mick Rau has a garage full of cool cars, but this Hirohata-inspired Merc is a standout.

How to replace sway bars in a Mercury Comet and the advantages that come with it.

Learn how to install a bypass and deadhead style fuel pressure regulator. We cover how these regulators work with a carburetor and advantages of each style.

Learn how to replace a fuel sending unit. Our fuel gauge sending unit guide and installation video covers all you need to match your fuel sender and gauge.

A detailed explanation of how Speedway Motors small block fuel pump works and a guide for how to replace and install the mounting gasket.

Questions about what you will need for your fuel sytstem? Click here!

Follow along as Product Guru Jeff K. talks about customizing a Comet Pedal Car for his son!