XFIª Spring & Phaser Mods Required Blower 229/240 Hydraulic Roller Finger Follower Cams for Ford 4.6/5.4L Modular 3V. Powerful cam with great idle, excellent upgrade over stock. Good torque down low with powerful mid-range. Solid power gains above 4500 RPM, requires spring & phaser upgrade. Custom tuning required. OK with stock gears.
XFI SPR Blower 229/240 Hydraulic Roller Cams for Ford 4.6/5.4L Modular 3 Valve
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