• For quick removal/installation of valve collets.
• Firmly push or tap tool with a hammer to remove/install, magnet in tool captures collets.
• Can be used with cylinder head in situ or on work bench.
• Ideal for replacing broken valve springs or valve stem oil seals without removing the head from the engine.
• For in situ use, a suitable adaptor (not included) will be required to allow compressed air into the combustion chamber to hold the valve closed while compressing the valve spring.