COMP Cams Camshaft Set F50Cy Nsr-Na3H-1

XFI NSR (No Springs Required) Hydraulic Roller Swinging/Finger Follower Camshafts DOHC - Max effort street/strip Cam set. Strong power gains above 5500-7200+. Full length headers and 3.73+ Gear. Requires custom ECU programming. Requires Cam phaser limiter kit Part #5493 or optional Cam phaser lock kit #5492 for Race Applications.