The COMP Cams XE261H-1 camshaft set for Ford 4.6/5.4L Modular 3V applications is a serious street grind that delivers solid power gains above 4600 RPM with a noticeably active idle. It uses hydraulic roller finger followers and requires XFI valve springs. A spring upgrade and tuner are recommended; best results reported with 3.90 rear gears and a 3300 RPM stall converter.
COMP Cams Camshaft Set F4.6 3V XE261H-1