Jaguar XJ12 Carburetor Tools

There's a right and wrong way to run a two-barrel carburetor on your vintage engine. Check out this guide about how to select the correct carburetor for your Flathead or vintage engine.

Learn how to calculate your CFM with a formula to determine what the best carburetor size is for you. We also cover vacuum and mechanical secondaries.

Professional insight on some useful crate engine tools that will improve your engine building experience.

Why buy a cold air intake like everyone else when you can build your own?

The benefit of using adjustable shocks and why the CSI cockpit shock adjuster assembly is the most precise on the market. Find out more on how this product works and why it's important to fine tune your shocks at the track.

Some basic info on the various exhaust options carried by Speedway Motors.

A guide on removing and installing a new electric motor kit for exhaust cutouts.

Decode, ID, and upgrade your GM 12-bolt rear end. Learn axle specs, gear ratios, and best performance parts upgrades.