Comp Cams' LST and HRT Performance Camshaft Packages take the guesswork out of choosing the best valve train upgrade for your specific engine and desired performance. The Low Shock Technology behind the performance packages features lobe profiles designed to maximize horsepower, while improving stability at higher RPM. The profiles are also easier on valve springs, enhancing durability and reducing load loss. By Spintron and dyno testing these new profiles with many combinations of valve train components, COMP Cams engineers have created valve train packages that are perfectly matched for maximum horsepower and dependability in GM LS / LT and Dodge Gen III HEMI applications. From street performance to race, naturally aspirated or boosted, Comp Cams has a performance package to fit various applications desired horsepower range. Choose from Stage 1 and Stage 2 LST Packages, and Stage 1 , 2 and 3 HRT packages. Both are available as a base Cam Kit (CK-Kit) or a more complete Master Kit (MK-Kit). CK-Kits. For more information, call 800-999-0853 or click HERE. (Content courtesy of Comp Cams)