VTKLS9 Kit Contains:4439-16 - Valve Springs (spring pressure 165lbs @ 1.800" and 340lbs @ .500" lift)10708-16 - Retainers10701-16 - Valve LocksVSV900VTEX-16 - Top Hat Valve Stem Seals

VTKLS9 Spring kits are recommended for use with High RPM engines that require higher seat pressure. Maximum lift ranging from .650" to .750". Talk to the Crow Cams technical department to match a spring kit with a camshaft

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