•Length of hose: 300mm.
•One end of tool fits 14mm and 18mm threads of spark plug hole.
•Other end is 1/4” NPT female.
•Long hose ideal for reaching deep-set spark plug holes.
•Allows for replacement of valve seals and broken or weak vavle spring withoutremoving the head by applying air to cylinder through sprak plug hole.

•Length of hose: 300mm.
•One end of tool fits 14mm and 18mm threads of spark plug hole.
•Other end is 1/4” NPT female.
•Long hose ideal for reaching deep-set spark plug holes.
•Allows for replacement of valve seals and broken or weak vavle spring withoutremoving the head by applying air to cylinder through sprak plug hole.