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This performance Beehive-shaped Valve Spring Kit will permit the Sportster® engine to rev to 7000 RPM. The unique ovate wire yields increase performance from a compact spring design.
...read moreFits ’04-later XL, XR and ’05-'17 Twin Cam-equipped models. Does not fit FXDLS, FLSS, FLSTFBS or Screamin’ Eagle® Performance Heads with .3125" diameter valves.