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Competition Cams 127400
XFI SPR 221/228 Hydraulic Roller Cams for Ford 4.6/5.4L Modular 3 Valve; 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 and phaser upgrade. Requires custom tuning. Stock gears and converter ok.
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Competition Cams 127450
XFI SPR Blower 229/240 Hydraulic Roller Cams for Ford 4.6/5.4L Modular 3 Valve; Powerful cam with great idle, excellent
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