COMP CAMS XFI SPR 237/244 Hyd Rlr Cam Ford Mod 3-V COM127600

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.