• Provides better torque spike protection for all downstream drivetrain components (clutch, transmission, etc.)
• Controls compensator shutter and reduces clatter and noise during engine startup / shut-off
• Smooths low-rpm roll-on response / feel
• Helps quiet worn, noisy primaries
• Improves engine starting
• Drag strip proven
• Made in the USA

 2026 Harley-Davidson FLHLT Street Glide 3 Limited - Notes: 2026 For liquid-cooled, VVT, and Gen 2 models. 2026 Harley-Davidson FLHC Heritage Classic 117 - Notes: 2026 For Gen 2 models. 2026 Harley-Davidson FLHXL Street Glide Limited - Notes: 2026 For liquid-cooled, VVT, and Gen 2 models. 2026 Harley-Davidson FLTRXL Road Glide Limited - Notes: 2026 For liquid-cooled, VVT, and Gen 2 models. 2026 Harley-Davidson FLHXLSE CVO Street Glide Limited - Notes: 2026 For liquid-cooled, VVT, and Gen 2 models. 2026 Harley-Davidson Super Glide FXD - Notes: 2026 For Gen 2 models. 2026 Harley-Davidson FLHD Deadwood 117 - Notes: 2026 For Gen 2 models. 2026 Harley-Davidson FLHLTSE CVO Street Glide 3 Limited - Notes: 2026 For liquid-cooled, VVT, and Gen 2 models. 2026 Harley-Davidson FLHXSTSE CVO Street Glide ST - Notes: 2026 For liquid-cooled and Gen 2 models. 2025-2026 Harley-Davidson FXBB Street Bob 117 - Notes: 2025-2026 For Gen 2 models. 2025-2026 Harley-Davidson FLFB Fat Boy 117 - Notes: 2025-2026 For Gen 2 models. 2025 Harley-Davidson FLHXU Street Glide Ultra - Notes: 2025 For liquid-cooled and Gen 2 models. 2025 Harley-Davidson FLSTFI Fat Boy Gray Ghost - - 2025 Harley-Davidson Electra Glide Police FLHTP - - 2025 Harley-Davidson FLTRXRRSE CVO Road Glide RR - - 2024-2026 Harley-Davidson FLTRXSTSE CVO Road Glide ST - Notes: 2024-2026 For liquid-cooled and Gen 2 models. 2024-2026 Harley-Davidson Road Glide Police FLTRXP - Notes: 2025 For liquid-cooled models. , 2026 For liquid-cooled, VVT, and Gen 2 models. 2024 Harley-Davidson FLI Hydra-Glide Revival - - 2023-2026 Harley-Davidson FXBR Breakout 117 - Notes: 2025-2026 For Gen 2 models. 2023-2026 Harley-Davidson FLTRT Road Glide 3 - Notes: 2023-2025 For liquid-cooled models. , 2026 For liquid-cooled, VVT, and Gen 2 models. 2023 Harley-Davidson FLHFB Electra Glide Highway King - - 2022-2026 Harley-Davidson FXLRS Low Rider S 117 - Notes: 2025-2026 For Gen 2 models. 2022-2026 Harley-Davidson FXLRST Low Rider ST 117 - Notes: 2025-2026 For Gen 2 models. 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 - Notes: 2022-2023 For liquid-cooled models. 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 FXST Softail Standard 107 - - 2020-2024 Harley-Davidson FLTRK Road Glide Limited - Notes: 2020-2024 For liquid-cooled models. 2020-2022 Harley-Davidson FLHTCUTGSE CVO Tri Glide - Notes: 2020-2022 For liquid-cooled models. 2020-2021 Harley-Davidson FXLRS Low Rider S 114 - - 2019-2022 Harley-Davidson FLHT Electra Glide Standard - - 2019-2020 Harley-Davidson FXDRS FXDR 114 - - 2018-2025 Harley-Davidson FLTRXSE CVO Road Glide - Notes: 2023-2025 For liquid-cooled, VVT, and Gen 2 models. 2018-2024 Harley-Davidson FLHCS Heritage Classic 114 - - 2018-2024 Harley-Davidson FLFBS Fat Boy 114 - - 2018-2024 Harley-Davidson FLSB Sport Glide 107 - - 2018-2024 Harley-Davidson FXFBS Fat Bob 114 - - 2018-2021 Harley-Davidson FLHC Heritage Classic 107 - - 2018-2021 Harley-Davidson FLSL Softail Slim 107 - - 2018-2020 Harley-Davidson FXFB Fat Bob 107 - - 2018-2020 Harley-Davidson FLDE Deluxe 107 - - 2018-2020 Harley-Davidson FXBB Street Bob 107 - - 2018-2020 Harley-Davidson FXBRS Breakout 114 - - 2018-2020 Harley-Davidson FLFB Fat Boy 107 - - 2018-2020 Harley-Davidson FXLR Low Rider 107 - - 2018-2019 Harley-Davidson FXBR Breakout 107 - - 2017-2025 Harley-Davidson FLHRXS Road King Special - - 2016-2017 Harley-Davidson FXDLS Low Rider S - - 2016-2017 Harley-Davidson FLSTFBS Fat Boy S - - 2016-2017 Harley-Davidson FXSE CVO Pro Street Breakout - - 2016-2017 Harley-Davidson FLSS Softail Slim S - - 2015-2026 Harley-Davidson FLTRX Road Glide - Notes: 2024-2026 For liquid-cooled and Gen 2 models. 2015-2025 Harley-Davidson FLRT Freewheeler - - 2015-2023 Harley-Davidson FLTRXS Road Glide Special - - 2015-2019 Harley-Davidson FLHTKL Ultra Limited Low - Notes: 2015-2019 For liquid-cooled models. 2015-2016 Harley-Davidson FLHTCUL Electra Glide Ultra Classic Low - Notes: 2015-2016 For liquid-cooled models. 2014-2023 Harley-Davidson FLHXS Street Glide Special - - 2014-2021 Harley-Davidson FLHTKSE CVO Limited - Notes: 2015-2021 For liquid-cooled models. 2014-2017 Harley-Davidson FXDL Dyna Low Rider - - 2014-2015 Harley-Davidson FLSTNSE CVO Softail Deluxe - - 2014 Harley-Davidson FLHRSE6 CVO Road King - - 2013-2017 Harley-Davidson FXSB Breakout - - 2013-2014 Harley-Davidson FXSBSE CVO Breakout - - 2013 Harley-Davidson FLHTCUSE8 CVO Ultra Classic Electra Glide - - 2013 Harley-Davidson FLTRXSE2 CVO Road Glide Custom - - 2013 Harley-Davidson FLHRSE5 CVO Road King - - 2012-2017 Harley-Davidson FLSTF Fat Boy - - 2012-2017 Harley-Davidson FLSTFB Fat Boy Lo - - 2012-2017 Harley-Davidson FLSTN Softail Deluxe - - 2012-2017 Harley-Davidson FLS Softail Slim - - 2012-2017 Harley-Davidson FLSTC Heritage Softail Classic - - 2012-2017 Harley-Davidson FXDWG Dyna Wide Glide - - 2012-2017 Harley-Davidson FXDF Fat Bob - - 2012-2016 Harley-Davidson FLD Switchback - - 2012-2014 , 2017 Harley-Davidson FXDB Street Bob - - 2012-2014 Harley-Davidson FXDC Super Glide Custom - - 2012-2013 Harley-Davidson FXS Blackline - - 2012 Harley-Davidson FLHXSE3 CVO Street Glide - - 2012 Harley-Davidson Softail Standard EFI FXSTI - - 2012 Harley-Davidson FLSTSE3 CVO Softail Convertible - - 2012 Harley-Davidson FLTRXSE CVO Road Glide Custom - - 2011-2026 Harley-Davidson FLHX Street Glide - Notes: 2024-2026 For liquid-cooled and Gen 2 models. 2011-2025 Harley-Davidson Road King Police FLHP - - 2011-2024 Harley-Davidson FLHTK Ultra Limited - Notes: 2015-2024 For liquid-cooled models. 2011-2022 Harley-Davidson FLHR Road King - - 2011-2019 Harley-Davidson FLHTCU Electra Glide Ultra Classic - Notes: 2014-2016 For liquid-cooled models. 2011-2019 Harley-Davidson FLHRC Road King Classic - - 2011-2017 , 2019-2025 Harley-Davidson Electra Glide Police FLHTPI - - 2011-2013 , 2016-2019 Harley-Davidson FLTRU Road Glide Ultra - Notes: 2016-2019 For liquid-cooled models. 2011-2013 Harley-Davidson FLTRX Road Glide Custom - - 2011-2013 Harley-Davidson FLHTC Electra Glide Classic - - 2011 , 2015-2016 Harley-Davidson FLTRUSE CVO Road Glide Ultra - Notes: 2015-2016 For liquid-cooled models. 2011 Harley-Davidson FLSTSE2 CVO Softail Convertible - - 2011 Harley-Davidson FLHTCUSE6 CVO Ultra Classic Electra Glide - - 2011 Harley-Davidson FLHXSE2 CVO Street Glide - - 2010-2011 Harley-Davidson FLHXXX Street Glide Trike - - 2010 , 2015-2026 Harley-Davidson FLHXSE CVO Street Glide - Notes: 2015-2021 For liquid-cooled models. , 2023-2026 For liquid-cooled, VVT, and Gen 2 models.