KEDO Racing Valve Springs - XT500 TT500 SR500

Fits XT500, TT500, SR500 Hard Valve Spring Kit Enables timing to be maintained at high engine speeds  Lightened valve plates reduce the inertial mass of the entire valve train  Allows more valve lift; recommended for some tuning camshafts (in some cases even mandatory)  Delivery for intake & exhaust valve complete including spring retainer as well as valve keys (only if the original valve keys cannot be reused)  Made by KEDO in Germany