Description & Size Guide
Racing Valve Spring KitDesigned for its specific application, taking into account several critical parameters including; cam profiles, harmonics, natural frequency of the springs, valvetrain mass, required pressure, wire stress, fatigue life, and engine rpm Progressively wound springs using Kobe super-clean, chromium silicon(CrSi) based wire that is heat treated and shot peened Complete set for one engine 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 Keeper (Pairs)Harley Davidson FXS 1340 1979-1983 Harley Davidson FXWG 1340 1980-1983 Harley Davidson XL 900 1957-1959 Harley Davidson XLC 900 1958 Harley Davidson XLCH 1000 1972-1978 Harley Davidson XLCH 900 1958-1972 Harley Davidson XLCR 1000 1977-1978 Harley Davidson XLH 1000 1972-1983 Harley Davidson XLH 900 1958-1972 Harley Davidson XLS 1000 1978-1983
This item fits to following bikes.
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