DescriptionThis KPMI® O.E.M. replacement kit is designed to give stock pressures and work with stock cam profiles. This kit is manufactured to original O.E.M. specifications using premium modern materials, design protocols and manufacturing techniques. All of the components in this O.E.M. style spring kit are the high quality parts you expect from KPMI®. Valve springs are wound from Super Clean chrome silicon valve spring wire that has been heat treated and shot peened. The retainers, keepers, and bases are modeled using FEA analysis to maximize mechanical strength. Components are interchangeable with O.E.M. components unless otherwise noted.Installation InstructionsClick HereTypeIntake/ExhaustRetainer MaterialH.T. SteelValve Lift0.415″Installed Height1.375″Seat Pressure129#Open Pressure272#@ Lift0.415″NoteThis basewasher is counterbored allowing for a 0.720″ outside diameter seal to sit inside the base for additional seal to retainer clearance.
