COMP Cams Camshaft Set F50Cy Nsr-Bl1H-1

XFI NSR (No Springs Required) Blower Hydraulic Roller Swinging/Finger Follower Camshafts DOHC - Great upgrade over stock cams with bolt-on blowers and standard boost levels. Requires custom ECU programming. Requires Cam phaser limiter kit Part #5493 or optional Cam phaser lock kit #5492 for Race Applications.