Expert Quality, brass adaptor with an internal thread size of 14x1.25mm and external thread sizes of 10x1.00mm and 12x1.25mm. Converts conventional petrol compression testers to be compatible with M10 and M12 threaded spark plugs, commonly found on BMW's, MINI's, Alfa Romeo's and Jaguar vehicles.
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!
