Magnetic plugs are a small investment that can help to prevent damage and wear in engines and gearboxes. They provide an easy way to check for unusual wear which may precede a failure. This plug has a 24mm (nominal) x 1.5mm tapered thread, as used in Hewland / Webster Mk-series, Formula Mazda, and VW gearboxes. Use pipe sealant and torque to 20 ft-lb. Replaces Hewland part number HC2011.
Note: Sold individually (two plugs shown for illustration purposes).