Harley 18mm Air-Cooled Spark Plugs tune up kit #3 Knucklehead UL Flathead WLA

  • Product Code: 355017969672
  • Availability: Out Of Stock
  • $89.95

You are buying a tune up kit for pre-1948 model Harley twins.  You get one pair of air-cooled Beck 18mm spark plugs, heat range #3 plus the pre 1948 points and condenser along with the point spring.  These are new production plugs designed to replace OEM Harley and Champion air-cooled spark plugs.  Please study the photos and feel free to ask questions.  These come with the brass top nuts which can be used with the earlier style open hook terminals or the hooded style. 

These are not a conversion kit like the Champion ones I sell, these are a fully unitized spark plug.  Set your gap at .025 for optimum performance.

These are fully-functional and perfect for your daily or weekend rider.  They look just like original Harley and Champion air-cooled 18mm plugs.  Unless you are going for a concours restoration, why pay $350 for an NOS set or take a risk on some 70 year old spark plugs which might not work?  These are perfect for the antique motorcycle enthusiast who likes to enjoy riding their motorcycle.

Used from 1909 to 1947 on Single, Twin, Sport Twin, J, JD, F, FD, Pea-Shooter, JDH, VL, VLH, VLD, Knucklehead: E, EL, F, FL, ELC, ELA, Big Twin Flathead U, UL, UH, ULH, UA, 45 Solo: RL, DL, W, WL, WLD, WLDR, WR, WLA, WLC; Servicar G and GE.  Points and condenser in the kit are used for 1930-1947 twins only.

They probably would also fit Henderson, Ace, or Indian Chief and Scout models as well as automotive applications.  Please do your research to make sure you can use 18mm plugs if you are buying for a non-Harley application or a 1948 and later Harley as they generally use 14mm plugs.

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