Description
XFI Spring and Phaser Mods Required Blower 237/248 Hydraulic Roller Finger Follower Cams for Ford 4.6/5.4L Modular 3V. Big power gains in mid to upper-RPM range for bolt-on blowers with high boost. Rough idle, Solid power gains above 4900 RPM, requires spring and phaser upgrade. Custom tuning required. Best with 3.90+ Gears and 3000+ Stall.
Big power gains in mid to upper RPM range
Ford: Expedition 04 - 04 4.6 L Engine, Mercury: Mountaineer 06 - 10 4.6 L Engine, Lincoln: Mark LT 06 - 10 5.4 L Engine, Ford: Explorer Sport Trac 07 - 10 4.6 L Engine, Ford: Lobo 04 - 10 5.4 L Engine, Ford: Econoline 04 - 06 4.6 L Engine, Ford: F-250 Super Duty 05 - 10 5.4 L Engine, Ford: F-150 04 - 10 5.4 L Engine, Ford: Grand Marquis 04 - 04 4.6 L Engine, Ford: Expedition 05 - 14 5.4 L Engine, Ford: F-150 09 - 10 4.6 L Engine, Ford: Lobo 04 - 10 4.6 L Engine, Lincoln: Navigator 05 - 14 5.4 L Engine, Ford: Mustang 04 - 10 4.6 L Engine, Avanti: Avanti 05 - 07 4.6 L Engine, Ford: Explorer 04 - 10 4.6 L Engine, Ford: F-350 Super Duty 05 - 10 5.4 L Engine, Ford: F-250 04 - 09 4.6 L Engine
| Air Freight Prohibited: false |
| Not Carb Approved: true |
| Carb Acknowledgement Required: true |
| Ltl Freight Required: false |
| Prop 65: Y |
| Part Type: automotive |
| Epa: N/A |
| Regular Stock: false |
| Units Per Sku: 1 |
Fitment