Before installing the heavy-duty screw-in studs required for high-performance valve train components, this tool conveniently removes the factory pressed-in rocker studs. Product Features:Designed for Use on Chevy V8 and V6 Cylinder HeadsTool Conveniently Removes the Factory Pressed-In Rocker StudsMade from High-Quality SteelZinc-Coated Finish1-inch Stud Length