The COMP Cams beehive valve spring rated to 0.650 in maximum lift is intended for Ford 4.6L and 5.4L Modular 2- and 3-valve engines and select Duramax applications. The larger beehive profile improves valve train stability while keeping spring weight down, reducing damaging harmonics and supporting higher RPM and more aggressive cams. Top OD 1.013 in, top ID 0.650 in; bottom OD 1.101 in, bottom ID 0.738 in.
COMP Cams Valve Spring H/L Ford 2V 3V