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The COMP Cams XFI NSR hydraulic roller camshaft set is a DOHC profile focused on mid-to-upper RPM power, with strong gains above about 4,900 RPM. These swinging/finger follower cams require a cam phaser limiter kit (Part #5493) or an optional phaser lock kit (#5492) for race applications and will need custom ECU programming for proper operation and tuning.
COMP Cams Camshaft Set F50Cy Nsr-Na2H-1
