Pack of 4 HT Spark Plug Knurled Nuts universal for most modern plugs, M4 Thread

M4 (4 x 0.7mm) continental thread (Champion Number ZN-9B). Aeroscreens & Wind deflectors. Andre Hartford Shock Absorber. High Quality Champion 18mm Spark Plug with 12.7mm reach. Exhaust Wrap & Repair.

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