Top quality valve spring kit with collars and base washers for Triumph 650 TR6 Tiger & T120 Bonneville twins 1963-72. Valve springs are wound from Super Clean chrome silicon valve spring wire that has been heat treated and shot peened. The retainers and bases are manufactured from H.T. Steel and modeled using FEA analysis to maximize mechanical strength. This kit is designed for stock valve lift and up to 0.415″.
All components are the quality you can expect from KPMI®, manufactured to exact O.E.M. specifications.
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