NGK JR9C Standard Spark Plug Review

Ok these parts are for motorcycles so some features would be useful like not including the fitting nut at the top of the fork. It's just a threaded bolt no matter what the overall picture shows. No local parts stores sell the end nut. Heck, they didn't even have plugs that were in the box. I would like to buy new spark plugs to get my bike back on the road. Apparently it's Yestertech now and most recent forks have them attached without the ability to remove them. I ended up having to visit 3…