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The COMP Cams XE278Ah-13 Xtreme Energy cam set for Ford 4.6/5.4L SOHC engines targets street/strip use and performs best with a higher final drive ratio and approximately a 2400+ rpm stall converter. It requires intake and exhaust support and custom tuning, and yields a rough idle in exchange for stronger top-end and race-biased street performance.
COMP Cams Camshaft Set F4.6S XE278Ah-13
