Easy for single use, operate by a thread bar to fix on right place.
Large window on the valve pusher to supply more space to replace the valve collets.
The size of the valve pusher is 22f , it could use with on 12V, 16V, 20V, and 24V engine.
You do not have to remove the cylinder with this tool, it will save a lot of manpower and time.
WARNING: California prop 65 - This product contains chemicals known to the state of California to cause cancer, birth defects or other reproductive harm. For more information go to https://www.p65warnings.ca.gov/