Spring Kit Vlv Oe 57-83Xl 20-20440

OEM Replacement Valve Spring Kit

Designed to give stock pressures and work with stock cam profiles

Retainers, keepers, and bases are modeled using FEA (Finite Element Analysis) to maximize mechanical strength

Springs are wound from Super Clean chrome silicon valve spring wire that has been heat treated and shot peened

Manufactured to original O.E.M. specifications using premium modern materials, design protocols and manufacturing techniques

Made in the USA

May require machining of valve guides for special seals. May require "R"-style valves to achieve correct install height. Kit Includes: • 4x CrSi Valve Springs • 4x H.T. Steel Retainers • 4x H.T. Steel Basewashers • 4x H.T. Steel Keepers (Pair)