Tri-Five Valve Locks

Learn how line locks can deliver the perfect burnout, along with tips on proper installation and how to use them.

Learn how to install a Line lock as well as installing a line lock button and how a line lock works, with Kevin as he goes through the process on his '54 Chevy Belair.

Learn how to choose the right valve springs for your camshaft, the differences between single and dual valve springs and when to replace them.

In this Tech Tip, John makes a few suggestions on how to deal with the classic problem of a Flathead Ford, vapor-lock.

How proportioning valves work, fixed vs adjustable valves explained, and how to reset a prop valve.

Today we take a look at the differences between proportioning valves (both fixed and adjustable models) and the residual pressure valves we offer in this buyer's guide.

Learn how to install and properly tune brakes with an adjustable proportioning valve block.

Learn how to check and set your engine's valve lashes to prevent and detect engine failure. See steps on removing spark plugs and if they are tuned correctly.

In this Tech Tip, John confirms a customer question regarding the need for a proportioning valve on his ’55 F100 brake build.

Learn what a manual valve body can and cannot do for your automatic transmission and performance driving needs