Expert Quality, used in conjunction with petrol compression testers enabling the compression tester to be connected when spark plugs are deeply recessed inside the cylinder head. Examples of recessed spark plugs can be found in but not exclusive to Nissan, BMW, Ford, Vauxhall, Saab, Renault and Honda engines.
Recently viewed
Changed your mind?
We'll do our best to resolve any issues with your order.
Top-notch support
Need help choosing the right product? We're always happy to help!
