Product Description
XFI™ Valve Springs Required 222/235 SOHC Hydraulic Roller Finger Follower Cams for Ford 4.6/5.4L Modular 3V. Serious street cam, noticeable idle. Solid power gains above 4600 RPM, requires spring upgrade. Works with tuners tuning recommended. Best with 3.90 gears and a 3300 stall.
| Advertised Intake Duration | 261 |
|---|---|
| Advertised Exhaust Duration | 268 |
| Intake Duration at .050 Inch Lift | 253 |
| Exhaust Duration at .050 Inch Lift | 270 |
| Intake Valve Lift | 0.491 |
| Exhaust Valve Lift | 0.48 |
| Lobe Separation | 115.5 |
90 gears & 3300 stall.
