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The COMP Cams F66 (268H‑10) is a High Energy 218/218 hydraulic flat tappet cam for Ford 240–300 six‑cylinder engines, tuned for strong mid‑range RPM power with a more noticeable idle. It provides moderate performance gains for 300 ci installations, delivering a pronounced midband improvement suitable for drivers seeking increased midrange responsiveness over stock while accepting a livelier idle character.
COMP Cams Camshaft F66 268H-10
