| Brass knurled spark plug nuts for Champion X and A25Additional Information Replaces your missing Champion-X or Champion A25 plug nuts. These nuts have the original 8/32” thread. (They will not fit Motorcraft, Autolite or any other model style plugs that have a different thread size.) NOTE: They will also not fit on the early Champion X plugs that have a noticably thinner stub which measures 5/40" for these early plugs use part# 5201EN. Questions and Answers There are currently no questions for this item. To ask a question about this item please press and fill out the form. Customers Who Bought This Item Also Bought | |