JE PISTONS Piston Kit – 4.250″ Bore – 4.500″ Stroke – 12.0:1 CR – 108″ M8 398763

Description

• 2618-T6 forged construction provides better aligned grain flow and higher tensile strength to provide durability, even in high-performance builds
• Skirt coating reduces opertating friction and wear
• Offset pins reduce piston rock and minimize operating noise
• Skirt notches for optimal clearance at bottom dead center
• Accumulator groove taps combustion gases below the top ring to promote more consistent, positive ring seal and performance
• Inlcudes two pistons, premium ring packs, wrist pins and wire locks
  

  Fitments

  2022	Harley-Davidson	Softail Street Bob FXBB	–	–
  2020-2024	Harley-Davidson	FXST Softail Standard 107	–	–
  2020-2023	Harley-Davidson	FLTRK Road Glide Limited	–	–
  2018-2021	Harley-Davidson	FLHC Heritage Classic 107	–	–
  2018-2021	Harley-Davidson	FLSL Softail Slim 107	–	–
  2018-2021	Harley-Davidson	FLSB Sport Glide 107	–	–
  2018-2020	Harley-Davidson	FLDE Deluxe 107	–	–
  2018-2020	Harley-Davidson	FXBB Street Bob 107	–	–
  2018-2020	Harley-Davidson	FXLR Low Rider 107	–	–
  2018-2019	Harley-Davidson	FLFB Fat Boy 107	–	–
  2018-2019	Harley-Davidson	FXBR Breakout 107	–	–
  2018-2019	Harley-Davidson	FXFB Fat Bob 107	–	–
  2017-2023	Harley-Davidson	FLHX Street Glide	–	–
  2017-2023	Harley-Davidson	FLHXS Street Glide Special	–	–
  2017-2023	Harley-Davidson	FLTRX Road Glide	–	–
  2017-2022	Harley-Davidson	FLHR Road King	–	–
  2017-2018, 2021-2022	Harley-Davidson	Road King Police FLHP	–	–
  2017	Harley-Davidson	FLHRXS Road King Special	–	–
  2017	Harley-Davidson	FLHTCUTG Tri Glide Ultra	–	–
  2017	Harley-Davidson	FLHTKL Ultra Limited Low	–	–
  2017	Harley-Davidson	FLHTKSE CVO Limited	–	–
  2017	Harley-Davidson	FLHTK Ultra Limited	–	–
  2017	Harley-Davidson	FLRT Freewheeler	–	–
  2017	Harley-Davidson	FLTRXS Road Glide Special	–	–
  2017	Harley-Davidson	FLHTCU Electra Glide Ultra Classic	–	–
  2017	Harley-Davidson	FLHXSE CVO Street Glide	–	–
  2017	Harley-Davidson	FLTRU Road Glide Ultra	–	–
  2017	Harley-Davidson	Electra Glide Police FLHTPI	–	–

  Fitment Disclosure

  This quick reference fitment information is provided to direct you to our catalog information and the manufacturer’s information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.