This 3 Sided DVD SET has almost 5 HOURS of highly detailed information! It takes you step-by-step through the basics of the entire valve train, including many different types of cams (flat tappet, hydraulic roller, solid roller,), lifters, springs, push rods, various cast iron and aluminum heads and much, much more. You'll be shown how to read a cam card, how to degree a cam, how to set-up the valve train geometry and how to easily and properly adjust valves. You'll see what "lift", "duration", "overlap" and "lobe centers" mean, and how they affect your engine. You'll be shown the difference between aggressive profile cams and mild profile cams and find-out what they do and how to choose the right one for your application. You'll also be shown, in great detail, different types of lifters, rocker arms, rocker studs, valve springs, retainers, locks, intake and exhaust runners, installing larger valves, installing screw-in studs and guide plates, un-shrouding valves in the combustion chamber, simple gasket matching (heads AND intake manifolds), bowl blending, what tools you'll need and how to use them, O-ring head gaskets, aluminum heads vs. cast iron heads, what you can and can't run on the street, old wives tales and myths put to rest once and for all and MUCH, MUCH more! KNOWLEDGE IS HORSEPOWER!