Full set of racing valve springs, steel valve caps and collets to allow the use of performance camshafts in SR500, XT500 & TT500 motors.
Lighter than stock, allows more lift (0.515″).
Mandatory requirement for some of our tuned camshafts
Note: Requires professional installation & set up by experienced engine builders. If you do not have the experience the work must be defered to a professional shop.