WOSSNER Piston Kit – 4.375″ Stroke – 107 CID – M8 K4081DA-2

Description

• Crown is anodized to improve resistance to extreme heat
• Tested and proven to improve thermal diffusivity by up to 10%
• Hardcoat anodize treatment enhances the piston’s abilities to manage heat and wear
• Ring groove wear is improved with anodize treatment ability to handle sliding wear as compared to non-treated surfaces
• Kit includes piston, piston rings, piston pin and retaining clips
• Valve Pocket Specifications:
• Intake Diameter: 1.780″
• Intake Depth: 0.200″
• Intake Angle: 27.000°
• Exhaust Diameter: 1.780″
• Exhaust Depth: 0.200″
• Exhaust Angle: 27.000°
  

  Fitments

  2023-2024	Harley-Davidson	FXBR Breakout 117	–	–
  2022-2024	Harley-Davidson	FXLRST Low Rider ST 117	–	–
  2022-2024	Harley-Davidson	FXLRS Low Rider S 117	–	–
  2022-2023	Harley-Davidson	FLHXST Street Glide ST	–	–
  2022-2023	Harley-Davidson	FLTRXST Road Glide ST	–	–
  2022-2023	Harley-Davidson	FLTRKSE CVO Road Glide Limited	–	–
  2022	Harley-Davidson	FXRST Low Rider El Diablo 117	–	–
  2022	Harley-Davidson	Softail Street Bob FXBB	–	–
  2021, 2023-2024	Harley-Davidson	FXBBS Street Bob 114	–	–
  2021	Harley-Davidson	FLH Electra Glide Revival	–	–
  2020-2024	Harley-Davidson	FXST Softail Standard 107	–	–
  2020-2024	Harley-Davidson	FLTRK Road Glide Limited	–	–
  2020-2021	Harley-Davidson	FXLRS Low Rider S 114	–	–
  2019-2022	Harley-Davidson	FLHT Electra Glide Standard	–	–
  2018-2024	Harley-Davidson	FLTRXSE CVO Road Glide	–	–
  2018-2021	Harley-Davidson	FLHC Heritage Classic 107	–	–
  2018-2021	Harley-Davidson	FLSB Sport Glide 107	–	–
  2018-2021	Harley-Davidson	FLSL Softail Slim 107	–	–
  2018-2020	Harley-Davidson	FLDE Deluxe 107	–	–
  2018-2020	Harley-Davidson	FXLR Low Rider 107	–	–
  2018-2020	Harley-Davidson	FXBB Street Bob 107	–	–
  2018-2019	Harley-Davidson	FLFB Fat Boy 107	–	–
  2018-2019	Harley-Davidson	FXFB Fat Bob 107	–	–
  2018-2019	Harley-Davidson	FXBR Breakout 107	–	–
  2017-2024	Harley-Davidson	FLHRXS Road King Special	–	–
  2017-2024	Harley-Davidson	FLHTK Ultra Limited	–	–
  2017-2024	Harley-Davidson	FLHXSE CVO Street Glide	–	–
  2017-2024	Harley-Davidson	FLHX Street Glide	–	–
  2017-2024	Harley-Davidson	FLTRX Road Glide	–	–
  2017-2024	Harley-Davidson	Electra Glide Police FLHTPI	–	–
  2017-2024	Harley-Davidson	Road King Police FLHP	–	–
  2017-2023	Harley-Davidson	FLHXS Street Glide Special	–	–
  2017-2023	Harley-Davidson	FLTRXS Road Glide Special	–	–
  2017-2022	Harley-Davidson	FLHR Road King	–	–
  2017-2021	Harley-Davidson	FLHTKSE CVO Limited	–	–
  2017-2019	Harley-Davidson	FLHTKL Ultra Limited Low	–	–
  2017-2019	Harley-Davidson	FLHTCU Electra Glide Ultra Classic	–	–
  2017-2019	Harley-Davidson	FLTRU Road Glide Ultra	–	–

  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.