Lisle 19700 Valve Holder black
- Commonly used when valve springs or valve stem seals are replaced.
- Comes with two-step fitting for both 14 millimeter and 18 millimeter threads.
- Thread fitting to spark plug hole and other end to air supply.
- Heavy duty 12" flexible hose allows easy access to spark plug hole and air supply.
- Air pressure helps prevent the valve from falling into the combustion chamber.