This book was advertised as showing the parts used to produce high horsepower NASCAR & NRHA engines, which was the modivator for me buying it. Unforunately this just turned out to be a general horsepower build book like a ton of others that doesn't give you much of an inventory of parts used in the build of engines that were later dynoed. There was absolutely no camshaft specs on any of the engines dynoed, practically zero inlet manifold part info. Not enough info here to confidently build any firebreather. Inturn I found some DVD's on ebay produced by Wayne Partridge Sr that were excellent with part numbers and HP results.