The COMP Cams XFI NSR or No Springs Required Blower Camshafts incorporate the latest in camshaft and valve train technology to certify a superior replacement to stock cams that bestow massive power gains in the mid to upper RPM range. With an aggressive lobe profile, they provide outstanding throttle response matched by top-end horsepower. These camshafts are counter balanced and are set to function with phaser limiters to generate the safest and most advantageous power. The counter balanced blueprint efficiently reduces vibrations and overall harmonics to produce a smoother valve train that is effective for high lifts and long duration valve motions at high RPM.

Emphasizing a true "plug-and-play" installation, these camshafts are made compatible with stock valve springs so there's no need to remove or spend money in purchasing new ones. The XFI NSR Camshafts are established for naturally aspirated and supercharged engines as they are made available in three stages. Thoroughly designed and rigorously assessed by the company's top engineers, the COMP Cams XFI NSR Blower Camshaft is certain to suit today's demanding standards.

Since its establishment in 1976, Competitions Cams Inc., more famously known as COMP Cams has been an industry leader in the production of top quality valve train components. Prioritizing both the custom builder and the race enthusiast, COMP Cams' engineers incorporate only proven technology, efficient procedures and the most cutting edge equipment to produce their camshafts, rocker arms, valve lifters and other essential engine components. This is the same design process being utilized to develop reliable components for championship winning teams in international competitions like NASCAR and NHRA.

For more than three decades, COMP Cams has established a huge collection of standard setting camshafts and valve train solutions that emphasize outstanding performance on the track and the street. Adding to that, the company also offers free expert technical assistance to its customers to ensure they make the proper purchase for their specific application. With a passion to continuously improve, it's no wonder COMP Cams has been a household name for teams competing in the most prestigious circle track, drag racing, road race and off-road racing. Currently based in Memphis, Tennessee, COMP Cams continues to be a reliable brand by providing innovative and modern performance parts that never settle for second place.