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The COMP Cams XFI NSR Blower hydraulic roller camshaft set targets blower kits running higher boost, delivering increased mid-to-upper RPM power. These DOHC swinging/finger-follower cams require custom ECU programming and the cam phaser limiter kit (Part #5493) or optional cam phaser lock kit (#5492) for race applications to ensure timing stability under boost.
COMP Cams Camshaft Set F50Cy Nsr-Bl2H-1
