WISECO K2787 M8 BIG BORE PISTONS 124" 11:1 COMP
Manufacturer Part Number: K2787
WPS Part Number: K2787
Product Type: Engine
Features
- Premium compression ring for ultimate ring seal
- Napier second ring, taper face with underhook improves oil control
- 3mm Oil ring design for higher tension and enhanced oil control
- Armor X piston coating for reduced wear
- ArmorGlide skirt coating for reduced friction, quieter operation and improved scuff resistance
- Work with OEM and Screamin' Eagle heads
Verified Vehicle Fitment
- 2018 Harley Davidson FLDE Softail Deluxe
- 2019 Harley Davidson FLDE Softail Deluxe
- 2020 Harley Davidson FLDE Softail Deluxe
- 2018 Harley Davidson FLFB Softail Fat Boy
- 2019 Harley Davidson FLFB Softail Fat Boy
- 2020 Harley Davidson FLFB Softail Fat Boy
- 2018 Harley Davidson FLFBS Softail Fat Boy 114
- 2019 Harley Davidson FLFBS Softail Fat Boy 114
- 2020 Harley Davidson FLFBS Softail Fat Boy 114
- 2021 Harley Davidson FLFBS Softail Fat Boy 114
- 2022 Harley Davidson FLFBS Softail Fat Boy 114
- 2023 Harley Davidson FLFBS Softail Fat Boy 114
- 2024 Harley Davidson FLFBS Softail Fat Boy 114
- 2025 Harley Davidson FLFBS Softail Fat Boy 114
- 2021 Harley Davidson FLH Electra Glide
- 2018 Harley Davidson FLHC Softail Heritage Classic
- 2019 Harley Davidson FLHC Softail Heritage Classic
- 2020 Harley Davidson FLHC Softail Heritage Classic
- 2021 Harley Davidson FLHC Softail Heritage Classic
- 2025 Harley Davidson FLHC Softail Heritage Classic
- 2018 Harley Davidson FLHCS Softail Heritage Classic 114
- 2019 Harley Davidson FLHCS Softail Heritage Classic 114
- 2020 Harley Davidson FLHCS Softail Heritage Classic 114
- 2021 Harley Davidson FLHCS Softail Heritage Classic 114
- 2022 Harley Davidson FLHCS Softail Heritage Classic 114
- 2023 Harley Davidson FLHCS Softail Heritage Classic 114
- 2024 Harley Davidson FLHCS Softail Heritage Classic 114
- 2023 Harley Davidson FLHFB Electra Glide Highway King
- 2017 Harley Davidson FLHR Road King
- 2018 Harley Davidson FLHR Road King
- 2019 Harley Davidson FLHR Road King
- 2020 Harley Davidson FLHR Road King
- 2021 Harley Davidson FLHR Road King
- 2022 Harley Davidson FLHR Road King
- 2017 Harley Davidson FLHRC Road King Classic
- 2017 Harley Davidson FLHRXS Road King Special
- 2018 Harley Davidson FLHRXS Road King Special
- 2019 Harley Davidson FLHRXS Road King Special
- 2020 Harley Davidson FLHRXS Road King Special
- 2021 Harley Davidson FLHRXS Road King Special
- 2022 Harley Davidson FLHRXS Road King Special
- 2023 Harley Davidson FLHRXS Road King Special
- 2024 Harley Davidson FLHRXS Road King Special
- 2025 Harley Davidson FLHRXS Road King Special
- 2019 Harley Davidson FLHT Electra Glide
- 2020 Harley Davidson FLHT Electra Glide
- 2021 Harley Davidson FLHT Electra Glide
- 2022 Harley Davidson FLHT Electra Glide
- 2017 Harley Davidson FLHTCU Electra Glide Ultra Classic
- 2018 Harley Davidson FLHTCU Electra Glide Ultra Classic
- 2019 Harley Davidson FLHTCU Electra Glide Ultra Classic
- 2017 Harley Davidson FLHTCUTG Tri Glide Ultra Classic
- 2018 Harley Davidson FLHTCUTG Tri Glide Ultra Classic
- 2019 Harley Davidson FLHTCUTG Tri Glide Ultra Classic
- 2020 Harley Davidson FLHTCUTG Tri Glide Ultra Classic
- 2021 Harley Davidson FLHTCUTG Tri Glide Ultra Classic
- 2022 Harley Davidson FLHTCUTG Tri Glide Ultra Classic
- 2023 Harley Davidson FLHTCUTG Tri Glide Ultra Classic
- 2024 Harley Davidson FLHTCUTG Tri Glide Ultra Classic
- 2025 Harley Davidson FLHTCUTG Tri Glide Ultra Classic
- 2020 Harley Davidson FLHTCUTGSE CVO Tri Glide
- 2021 Harley Davidson FLHTCUTGSE CVO Tri Glide
- 2022 Harley Davidson FLHTCUTGSE CVO Tri Glide
- 2017 Harley Davidson FLHTK Electra Glide Ultra Limited
- 2018 Harley Davidson FLHTK Electra Glide Ultra Limited
- 2019 Harley Davidson FLHTK Electra Glide Ultra Limited
- 2020 Harley Davidson FLHTK Electra Glide Ultra Limited
- 2021 Harley Davidson FLHTK Electra Glide Ultra Limited
- 2022 Harley Davidson FLHTK Electra Glide Ultra Limited
- 2023 Harley Davidson FLHTK Electra Glide Ultra Limited
- 2024 Harley Davidson FLHTK Electra Glide Ultra Limited
- 2017 Harley Davidson FLHTKL Electra Glide Ultra Limited Low
- 2018 Harley Davidson FLHTKL Electra Glide Ultra Limited Low
- 2019 Harley Davidson FLHTKL Electra Glide Ultra Limited Low
- 2017 Harley Davidson FLHTKSE CVO Limited
- 2018 Harley Davidson FLHTKSE CVO Limited
- 2019 Harley Davidson FLHTKSE CVO Limited
- 2020 Harley Davidson FLHTKSE CVO Limited
- 2021 Harley Davidson FLHTKSE CVO Limited
- 2017 Harley Davidson FLHX Street Glide
- 2018 Harley Davidson FLHX Street Glide
- 2019 Harley Davidson FLHX Street Glide
- 2020 Harley Davidson FLHX Street Glide
- 2021 Harley Davidson FLHX Street Glide
- 2022 Harley Davidson FLHX Street Glide
- 2023 Harley Davidson FLHX Street Glide
- 2024 Harley Davidson FLHX Street Glide
- 2025 Harley Davidson FLHX Street Glide
- 2017 Harley Davidson FLHXS Street Glide Special
- 2018 Harley Davidson FLHXS Street Glide Special
- 2019 Harley Davidson FLHXS Street Glide Special
- 2020 Harley Davidson FLHXS Street Glide Special
- 2021 Harley Davidson FLHXS Street Glide Special
- 2022 Harley Davidson FLHXS Street Glide Special
- 2023 Harley Davidson FLHXS Street Glide Special
- 2024 Harley Davidson FLHXS Street Glide Special
- 2025 Harley Davidson FLHXS Street Glide Special
- 2017 Harley Davidson FLHXSE CVO Street Glide
- 2018 Harley Davidson FLHXSE CVO Street Glide
- 2019 Harley Davidson FLHXSE CVO Street Glide
- 2020 Harley Davidson FLHXSE CVO Street Glide
- 2021 Harley Davidson FLHXSE CVO Street Glide
- 2022 Harley Davidson FLHXSE CVO Street Glide
- 2023 Harley Davidson FLHXSE CVO Street Glide
- 2024 Harley Davidson FLHXSE CVO Street Glide
- 2022 Harley Davidson FLHXST Street Glide ST
- 2023 Harley Davidson FLHXST Street Glide ST
- 2025 Harley Davidson FLHXU Street Glide Ultra
- 2017 Harley Davidson FLRT Freewheeler
- 2018 Harley Davidson FLRT Freewheeler
- 2019 Harley Davidson FLRT Freewheeler
- 2020 Harley Davidson FLRT Freewheeler
- 2021 Harley Davidson FLRT Freewheeler
- 2022 Harley Davidson FLRT Freewheeler
- 2023 Harley Davidson FLRT Freewheeler
- 2024 Harley Davidson FLRT Freewheeler
- 2025 Harley Davidson FLRT Freewheeler
- 2018 Harley Davidson FLSB Softail Sport Glide
- 2019 Harley Davidson FLSB Softail Sport Glide
- 2020 Harley Davidson FLSB Softail Sport Glide
- 2021 Harley Davidson FLSB Softail Sport Glide
- 2018 Harley Davidson FLSL Softail Slim
- 2019 Harley Davidson FLSL Softail Slim
- 2020 Harley Davidson FLSL Softail Slim
- 2021 Harley Davidson FLSL Softail Slim
- 2017 Harley Davidson FLTR Road Glide
- 2018 Harley Davidson FLTR Road Glide
- 2019 Harley Davidson FLTR Road Glide
- 2020 Harley Davidson FLTR Road Glide
- 2023 Harley Davidson FLTR Road Glide
- 2025 Harley Davidson FLTR Road Glide
- 2020 Harley Davidson FLTRK Road Glide Limited
- 2021 Harley Davidson FLTRK Road Glide Limited
- 2022 Harley Davidson FLTRK Road Glide Limited
- 2023 Harley Davidson FLTRK Road Glide Limited
- 2024 Harley Davidson FLTRK Road Glide Limited
- 2022 Harley Davidson FLTRKSE CVO Road Glide Limited
- 2023 Harley Davidson FLTRKSE CVO Road Glide Limited
- 2023 Harley Davidson FLTRT Trike Road Glide 3
- 2024 Harley Davidson FLTRT Trike Road Glide 3
- 2025 Harley Davidson FLTRT Trike Road Glide 3
- 2017 Harley Davidson FLTRU Road Glide Ultra
- 2018 Harley Davidson FLTRU Road Glide Ultra
- 2019 Harley Davidson FLTRU Road Glide Ultra
- 2020 Harley Davidson FLTRX Road Glide Custom
- 2021 Harley Davidson FLTRX Road Glide Custom
- 2022 Harley Davidson FLTRX Road Glide Custom
- 2023 Harley Davidson FLTRX Road Glide Custom
- 2024 Harley Davidson FLTRX Road Glide Custom
- 2025 Harley Davidson FLTRX Road Glide Custom
- 2025 Harley Davidson FLTRXRRSE CVO Road Glide RR
- 2017 Harley Davidson FLTRXS Road Glide Special
- 2018 Harley Davidson FLTRXS Road Glide Special
- 2019 Harley Davidson FLTRXS Road Glide Special
- 2020 Harley Davidson FLTRXS Road Glide Special
- 2021 Harley Davidson FLTRXS Road Glide Special
- 2022 Harley Davidson FLTRXS Road Glide Special
- 2023 Harley Davidson FLTRXS Road Glide Special
- 2024 Harley Davidson FLTRXS Road Glide Special
- 2025 Harley Davidson FLTRXS Road Glide Special
- 2018 Harley Davidson FLTRXSE CVO Road Glide
- 2019 Harley Davidson FLTRXSE CVO Road Glide
- 2020 Harley Davidson FLTRXSE CVO Road Glide
- 2021 Harley Davidson FLTRXSE CVO Road Glide
- 2022 Harley Davidson FLTRXSE CVO Road Glide
- 2023 Harley Davidson FLTRXSE CVO Road Glide
- 2024 Harley Davidson FLTRXSE CVO Road Glide
- 2025 Harley Davidson FLTRXSE CVO Road Glide
- 2024 Harley Davidson FLTRXSE CVO Road Glide Custom
- 2025 Harley Davidson FLTRXSE CVO Road Glide Custom
- 2022 Harley Davidson FLTRXST Road Glide ST
- 2023 Harley Davidson FLTRXST Road Glide ST
- 2024 Harley Davidson FLTRXSTSE CVO Road Glide ST
- 2025 Harley Davidson FLTRXSTSE CVO Road Glide ST
- 2018 Harley Davidson FXBB Softail Street Bob
- 2019 Harley Davidson FXBB Softail Street Bob
- 2020 Harley Davidson FXBB Softail Street Bob
- 2021 Harley Davidson FXBB Softail Street Bob
- 2022 Harley Davidson FXBB Softail Street Bob
- 2025 Harley Davidson FXBB Softail Street Bob
- 2022 Harley Davidson FXBBS Softail Street Bob 114
- 2023 Harley Davidson FXBBS Softail Street Bob 114
- 2024 Harley Davidson FXBBS Softail Street Bob 114
- 2018 Harley Davidson FXBR Softail Breakout
- 2019 Harley Davidson FXBR Softail Breakout
- 2023 Harley Davidson FXBR Softail Breakout
- 2024 Harley Davidson FXBR Softail Breakout
- 2025 Harley Davidson FXBR Softail Breakout
- 2018 Harley Davidson FXBRS Softail Breakout 114
- 2019 Harley Davidson FXBRS Softail Breakout 114
- 2020 Harley Davidson FXBRS Softail Breakout 114
- 2019 Harley Davidson FXDR Softail Power Cruiser
- 2019 Harley Davidson FXDRS Softail FXDR 114
- 2020 Harley Davidson FXDRS Softail FXDR 114
- 2018 Harley Davidson FXFB Softail Fat Bob
- 2019 Harley Davidson FXFB Softail Fat Bob
- 2018 Harley Davidson FXFBS Softail Fat Bob 114
- 2019 Harley Davidson FXFBS Softail Fat Bob 114
- 2020 Harley Davidson FXFBS Softail Fat Bob 114
- 2021 Harley Davidson FXFBS Softail Fat Bob 114
- 2022 Harley Davidson FXFBS Softail Fat Bob 114
- 2023 Harley Davidson FXFBS Softail Fat Bob 114
- 2018 Harley Davidson FXLR Softail Low Rider
- 2019 Harley Davidson FXLR Softail Low Rider
- 2020 Harley Davidson FXLR Softail Low Rider
- 2021 Harley Davidson FXLR Softail Low Rider
- 2020 Harley Davidson FXLRS Softail Low Rider S
- 2021 Harley Davidson FXLRS Softail Low Rider S
- 2022 Harley Davidson FXLRS Softail Low Rider S
- 2023 Harley Davidson FXLRS Softail Low Rider S
- 2024 Harley Davidson FXLRS Softail Low Rider S
- 2025 Harley Davidson FXLRS Softail Low Rider S
- 2022 Harley Davidson FXLRST Softail Low Rider ST
- 2023 Harley Davidson FXLRST Softail Low Rider ST
- 2024 Harley Davidson FXLRST Softail Low Rider ST
- 2025 Harley Davidson FXLRST Softail Low Rider ST
- 2022 Harley Davidson FXST Softail
- 2023 Harley Davidson FXST Softail
- 2024 Harley Davidson FXST Softail
Yes
