The COMP Cams Pro Magnum Hydraulic Lifters are high quality aftermarket lifters designed for racing applications. Featuring a unique design that comprehensively increases the power of an engine, the Pro Magnum Hydraulic Lifters eliminate the improper positioning of the internal piston. COMP Cams, a world-renowned industry leader in producing superior engine performance parts such as camshafts and valve trains, employed the same proprietary technology in developing their state-of-the-art Pro Magnum Hydraulic Lifter. Made to super-strict tolerances and manufactured from premium materials, the COMP Cams Pro Magnum Hydraulic Lifter have undergone the company's effective comprehensive design and testing process to certify a reliable and long lasting quality.

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.