Thicker, stronger, and an increased bevel over stockFeatures a steeper bevel that provides more preload and pressure on the spring pack and compensatorHelps diminish excessive compensator travel in turn reducing harmonics, eases start up and gives a more responsive feel at lower engine RPMsReplaces the first, outer most spring in OEM pack #83936-09AMade in the USAFeuling spring is not a fix for excessively worn and or damaged compensators.