Max effort street/strip cam with very rough idle, needs ported heads. Good midrange with incredible power up to 7000+ RPM. Solid power gains above 4900 RPM. Spring/phaser upgrade and custom tuning required. 4.10+ gears and 3200+ stall.
XFI Spring and Phaser Mods Required 237/244 Hydraulic Roller Finger Follower Cams for Ford 4.6/5.4L Modular 3V. Max effort street/strip Cam with very rough idle, needs ported heads. Good mid-range with incredible power up to 7000+ RPM. Solid power gains above 4900 RPM, requires spring and phaser upgrade. Custom tuning required. 4.10+ Gears and 3200+ Stall.
