COMP Cams XFI NSR Ford 5.0 Modular 4V camshafts unlock a major power upgrade for the 2011+ Ford 5.0L engine. Specifically designed for Coyote V8 applications, these camshafts are counterbalanced and work with phaser limiters to produce optimum, safe power. By taking cutting-edge race technology and applying it to street applications, COMP Cams has engineered these phaser-friendly cams with an exclusive, integrated counterbalance design that ensures a smoother operating valvetrain. They are available for both naturally aspirated and supercharged engines, with three stages available in each series. All cams are "no springs required." Optimized race and street profiles give you power where you need it the most, whether that's maximized midrange power and torque or increased top-end horsepower. Drive with COMP Cams XFI NSR Ford 5.0 Modular 4V camshafts and drive with sophisticated power!