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The COMP Cams XFI NSR Blower hydraulic roller camshaft set is a DOHC profile optimized for bolt-on supercharger applications at standard boost levels. It provides a stronger upgrade over stock cams for boosted setups and requires custom ECU programming as well as the cam phaser limiter kit (Part #5493) or optional phaser lock kit (#5492) for race installations.
COMP Cams Camshaft Set F50Cy Nsr-Bl1H-1
