Feuling Econo Valve Springs for 2005 - 2017 Twin Cam Engines
Econo BeeHive kits are direct replacement with no machining or rocker box clearance required for cams up to .574" lift for 84-04 Big Twin and 86-03 XL and up to .585" lift for 05-16 Twin Cam.
Made from premium stress-relieved conical ovate wire
Feature extremely high-level of fatigue life
Use a much smaller and lighter weight retainer to reduce valve weight and create quicker rev and smoother motion.
Feuling part number 1121
Drag Specialties part number 0926-1468