This sale is for one Timing Plug. This USA made plug will fit Harley-Davidson Big Twin Shovelhead or Evo models 1970-1999, & Sportster models 1970-2003. This American made chrome plated Allen head plug replaces OEM #720, & #706A. This is not an over size plug, & has the OEM thread pitch. Thanks for looking and be sure to check out my other items for sale. I gladly combine shipping when possible.