AC 427 Valve Stems

Follow these easy step by step metal valve stem installation instructions. Steel bolt in valve stems are a more reliable way to keep the air in your tires.

There are several types of quarter-turn fasteners used in the performance automotive aftermarket and in this buyer's guide we'll help show you the correct fastener for your application and how some of the most common types of fasteners are used.

Rebuilding an engine? Stay organized by using a valvetrain rocker arm organizer tray while disassembling the valvetrain components. Learn some tips on why you shouldn't mix up lifters if you intend on using them again.

A guide on how to check piston to valve clearance to prevent interference. See what tools are used to make this process easier.

Our hot rod expert takes you through his ford I beam axle setup. Follow as he sets up the front end on his split wishbone front suspension Model A.

Engine Cylinder Numbers