WISECO Piston Kit – 4.135″ – 121″ M8 40253PS

Description

• Features ArmorX™ piston coating for protection in extreme conditions and reduced wear
• ArmorFit™ skirt coating auto-adjusts to the cylinder wall, no need to measure clearance
• Dome design for improved flame travel to maximize air/fuel burn efficiency
• Super finish piston pins reduces friction and improves scuff resistance
• Enhanced pin oiling for improved lubrication and reduced friction
• Rings are precision fit for improved compression and oil control
• Augmented ring land details improve ring seal and function
• High compression for added power
• Made in the USA
• Notes
• Fits OEM and Screamin‘ Eagle cylinder heads.
  

  Fitments

  2024	Harley-Davidson	FLI Hydra-Glide Revival	–	–
  2023-2025	Harley-Davidson	FLTRT Road Glide 3	–	–
  2023-2025	Harley-Davidson	FXBR Breakout 117	–	–
  2023	Harley-Davidson	FLHFB Electra Glide Highway King	–	–
  2022-2025	Harley-Davidson	FXLRS Low Rider S 117	–	–
  2022-2025	Harley-Davidson	FXLRST Low Rider ST 117	–	–
  2022-2023	Harley-Davidson	FLHXST Street Glide ST	–	–
  2022-2023	Harley-Davidson	FLTRKSE CVO Road Glide Limited	–	–
  2022-2023	Harley-Davidson	FLTRXST Road Glide ST	–	–
  2022	Harley-Davidson	FLHTCUTG Tri Glide Ultra G.I.	–	–
  2022	Harley-Davidson	FXRST Low Rider El Diablo 117	–	–
  2021-2024	Harley-Davidson	FXBBS Street Bob 114	–	–
  2021	Harley-Davidson	FLH Electra Glide Revival	–	–
  2020-2024	Harley-Davidson	FLTRK Road Glide Limited	–	–
  2020-2022	Harley-Davidson	FLHTCUTGSE CVO Tri Glide	–	–
  2020-2021	Harley-Davidson	FXLRS Low Rider S 114	–	–
  2019-2022	Harley-Davidson	FLHT Electra Glide Standard	–	–
  2019-2020	Harley-Davidson	FXDRS FXDR 114	–	–
  2018-2024	Harley-Davidson	FLFBS Fat Boy 114	–	–
  2018-2024	Harley-Davidson	FLHCS Heritage Classic 114	–	–
  2018-2023	Harley-Davidson	FXFBS Fat Bob 114	–	–
  2018-2021	Harley-Davidson	FLTRXSE CVO Road Glide	–	–
  2018-2020	Harley-Davidson	FXBRS Breakout 114	–	–
  2017-2025	Harley-Davidson	FLHRXS Road King Special	–	–
  2017-2025	Harley-Davidson	FLHTCUTG Tri Glide Ultra	–	–
  2017-2025	Harley-Davidson	FLHX Street Glide	–	–
  2017-2025	Harley-Davidson	FLRT Freewheeler	–	–
  2017-2025	Harley-Davidson	FLTRX Road Glide	–	–
  2017-2024	Harley-Davidson	FLHTK Ultra Limited	–	–
  2017-2023	Harley-Davidson	FLTRXS Road Glide Special	–	–
  2017-2023	Harley-Davidson	FLHXS Street Glide Special	–	–
  2017-2022	Harley-Davidson	FLHR Road King	–	–
  2017-2022	Harley-Davidson	FLHXSE CVO Street Glide	–	–
  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.