Description
XFI NSR (No Springs Required) Hydraulic Roller Swinging/Finger Follower Camshafts. DOHC – Big power gains in mid to upper RPM range, especially above 4900 RPM. Requires Cam phaser limiter kit Part #5493 or optional Cam phaser lock kit #5492 for Race Applications.
Big power gains in mid to upper RPM range, especially above 4900 RPM. Requires phaser limiter kit and custom ECU programming.
Lincoln: Mark LT 11 – 14 5 L Engine, Ford: Lobo 11 – 14 5 L Engine, Ford: F-150 11 – 14 5 L Engine, Ford: Mustang 11 – 14 5 L Engine





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