Product Description
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
1/4" Air supply fitting not included (use your own specific fitting for your air compressor)
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
14mm is the standard spark plug size for most all domestic and foreign vehicles
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BTR Valve Holder
Works like a charm! I would recommend this to anyone that wants to change/upgrade their valve springs!
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Tool
Worked great