Product Description
XFI™ Valve Springs Required Blower 214/231 Hydraulic Roller Finger Follower Cams for Ford 4.6/5.4L Modular 3V. Powerful mid RPM range cam for bolt-on blowers at stock boost levels. Solid power gains above 4400 RPM, requires spring upgrade. Stock gears & converter OK.
Springs required
| Advertised Intake Duration | 253 |
|---|---|
| Advertised Exhaust Duration | 274 |
| Intake Duration at .050 Inch Lift | 214 |
| Exhaust Duration at .050 Inch Lift | 227 |
| Intake Valve Lift | 0.481 |
| Exhaust Valve Lift | 0.475 |
| Lobe Separation | 115 |
