Great upgrade for stock engine. Solid power gains above 4700 RPM, compatible with stock springs. Works with stock tune.
XFI No Springs Required 214/227 SOHC Hydraulic Roller Finger Follower Cams for Ford 4.6/5.4L Modular 3V. Great upgrade for stock engine. Solid power gains above 4700 RPM, compatible with stock springs. Works with tuners, no computer re-tuning required.
