• Ideal tool to set the valve stem height so that it will fall into the middle of
  the shim range.
• It is essential when doing valve jobs, installing big valves or working with
  cams that have reduced base circles.
• It works on Kawasaki 650 thru 1100 2 valve motors.
• 251-4912A : 0.900＂Base circle
• 251-4912B : 1.000＂Base circle
• 251-4912C : 1.080＂Base circle
• 251-4912D : 1.110＂Stock Base circle

• Ideal tool to set the valve stem height so that it will fall into the middle of
  the shim range.
• It is essential when doing valve jobs, installing big valves or working with
  cams that have reduced base circles.
• It works on Kawasaki 650 thru 1100 2 valve motors.
• 251-4912A : 0.900＂Base circle
• 251-4912B : 1.000＂Base circle
• 251-4912C : 1.080＂Base circle
• 251-4912D : 1.110＂Stock Base circle