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The COMP Cams XFI NSR hydraulic roller camshaft set is a max-effort DOHC street/strip profile that produces strong power above roughly 5,500–7,200+ RPM. Intended for high-rpm use with supporting hardware, it requires custom ECU programming and a cam phaser limiter kit (Part #5493) or optional cam phaser lock kit (#5492) for race applications to maintain cam timing control.
COMP Cams Camshaft Set F50Cy Nsr-Na3H-1
