The COMP Cams Xtreme Energy R Camshaft and Lifter Kits are premium aftermarket kits designed to improve the performance of a wide variety of vehicle and engine applications. COMP Cams, a world-renowned industry leader in manufacturing superior engine performance parts such as camshafts and valve trains, employed its proprietary technology in developing their premium Xtreme Energy R Camshaft and Lifter Kits. Built from top quality materials, the Xtreme Energy R Camshaft and Lifter Kits have undergone the company's renowned comprehensive design and testing process to certify a reliable and long lasting quality. COMP Cams offers superior, reliable, and durable aftermarket camshaft and lifter kits that are built in various configurations to ensure that users have a set that can fit their specific engine combinations.

Competitions Cams, Inc., commonly known as COMP Cams, is a world-leading aftermarket automotive parts manufacturer. COMP Cams was founded in 1976 and then incorporated in 1977. COMP Cams' headquarters is established in Memphis Tennessee and they also have five manufacturing locations spread across the United States. COMP Cams began building a name for itself by selling valve train products via satellite distribution stores. Over the years, COMP Cams has acquired several companies that manufacture transmissions, electronic fuel injection, and nitrous oxide. As of today, COMP Cams comprises a total of 13 companies with hundreds of employees. The company is a major mover in the automobile industry, developing superior and state-of-the-art techniques and methodologies that have become a standard in various competitions such as NASCAR. The technological advancement and innovations enable COMP Cams to manufacture premium aftermarket performance parts that are compatible with leading high-performance vehicles. COMP Cams' products are also the go-to brand of hot-rod enthusiasts, engine builders, and professional racers.