Valve Spring Height Gauge Valve Spring Height Micrometer; 0.600 in. to 0.950 in. Range Height; For Use w/Small Beehive Springs; FEATURES: Quick And Easy Most Accurate Way To Measure Installed Height Read Like A Micrometer Accurate To .001 in. 1 Year Limited Warranty For more than 35 years, the COMP Cams(R) mission has never changed: to produce the highest-performing products possible, provide customers with superior service, and to lead the industry in technological development. While the COMP Performance Group(TM) has grown to multiple companies and hundreds of employees, we still retain the competitive spirit and desire to be the very best that has positioned COMP Cams(R) as the absolute leader in valve train components. COMP Cams manufactures truly superior hydraulic and solid flat tappet, hyd and mechanical roller, and overhead camshafts for everything from OE replacement to full race, designed and manufactured using cutting-edge technology and the finest engineering in the industry. Whether your engine is naturally aspirated, or you run nitrous, or a supercharger or turbo, our cams make more horsepower than any other. Looking for that ultimate hard-hitting muscle car idle? Check out our aggressive new Thumpr Cams. Match our camshafts up with our competition-grade lifters, valve springs, timing sets, and other supporting components, and you'll experience the ultimate in race-winning reliability!