To hold up the valves in the installed state when removing and installing the cylinder head valve mounting wedgesSuitable for spark plug threads M14 x 1.25 and M18 x 1.5Ideal when replacing the valve stem seals without removing the cylinder headWith 13 mm hexagonal compressed air connection and rubber rings for sealingSpecial tool steelApplication areas: For all petrol motors with enough free space in the spark plug bore, e.g. Volkswagen, Audi, Ford (except CVH and multi-valve engines) etc.
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