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The COMP Cams XFI NSR Blower hydraulic roller camshaft set is a high-capability DOHC profile for heavily boosted, high-rpm modified engines. It’s intended for max-effort street/strip use with significant boost and high RPM, and requires custom ECU programming plus the cam phaser limiter kit (Part #5493) or optional phaser lock kit (#5492) for race applications.
COMP Cams Camshaft Set F50Cy Nsr-Bl3H-1
