S&S Cycle 106-3964A S&S® 41/8" Bore Forged Piston Kits For 1984-'16 Hot Set Up Kits® Wheeling Luggage 2008 Harley-Davidson Softail FLSTC Heritage

2008 Harley-Davidson Softail FLSTC Heritage Softail Classic

Arlen Ness 600-208

Saddlemen 897-07-185BR

Arlen Ness 330-025

Year Make Model   2025 Harley-Davidson CVO Street Glide FLHXSE 2017 - 2025 Harley-Davidson Electra Glide Police FLHTPI 2025 Harley-Davidson Electra Glide Police FLHTP 2018 - 2020 Harley-Davidson FLDE Deluxe 107 2018 - 2019 Harley-Davidson FLFB Fat Boy 107 2018 - 2024 Harley-Davidson FLFBS Fat Boy 114 2021 Harley-Davidson FLH Electra Glide Revival 2018 - 2021 Harley-Davidson FLHC Heritage Classic 107 2018 - 2024 Harley-Davidson FLHCS Heritage Classic 114 2023 Harley-Davidson FLHFB Electra Glide Highway King 2017 - 2022 Harley-Davidson FLHR Road King 2017 - 2025 Harley-Davidson FLHRXS Road King Special 2019 - 2022 Harley-Davidson FLHT Electra Glide Standard 2017 - 2019 Harley-Davidson FLHTCU Electra Glide Ultra Classic 2017 - 2024 Harley-Davidson FLHTK Ultra Limited 2017 - 2019 Harley-Davidson FLHTKL Ultra Limited Low 2017 - 2021 Harley-Davidson FLHTKSE CVO Limited 2017 - 2025 Harley-Davidson FLHX Street Glide 2017 - 2023 Harley-Davidson FLHXS Street Glide Special 2017 - 2024 Harley-Davidson FLHXSE CVO Street Glide 2022 - 2023 Harley-Davidson FLHXST Street Glide ST 2024 Harley-Davidson FLI Hydra-Glide Revival 2017 Harley-Davidson FLS Softail Slim 2018 - 2021 Harley-Davidson FLSB Sport Glide 107 2018 - 2021 Harley-Davidson FLSL Softail Slim 107 2017 Harley-Davidson FLSS Softail Slim S 2017 Harley-Davidson FLSTC Heritage Softail Classic 2017 Harley-Davidson FLSTF Fat Boy 2017 Harley-Davidson FLSTFB Fat Boy Lo 2017 Harley-Davidson FLSTFBS Fat Boy S 2017 Harley-Davidson FLSTN Softail Deluxe 2020 - 2024 Harley-Davidson FLTRK Road Glide Limited 2022 - 2023 Harley-Davidson FLTRKSE CVO Road Glide Limited 2017 - 2019 Harley-Davidson FLTRU Road Glide Ultra 2017 - 2025 Harley-Davidson FLTRX Road Glide 2017 - 2023 Harley-Davidson FLTRXS Road Glide Special 2018 - 2023 Harley-Davidson FLTRXSE CVO Road Glide 2022 - 2023 Harley-Davidson FLTRXST Road Glide ST 2018 - 2020 Harley-Davidson FXBB Street Bob 107 2021 - 2024 Harley-Davidson FXBBS Street Bob 114 2018 - 2019 Harley-Davidson FXBR Breakout 107 2023 - 2025 Harley-Davidson FXBR Breakout 117 2018 - 2020 Harley-Davidson FXBRS Breakout 114 2019 - 2020 Harley-Davidson FXDRS FXDR 114 2018 - 2019 Harley-Davidson FXFB Fat Bob 107 2018 - 2021 Harley-Davidson FXFBS Fat Bob 114 2023 Harley-Davidson FXFBS Fat Bob 114 2018 - 2020 Harley-Davidson FXLR Low Rider 107 2020 - 2021 Harley-Davidson FXLRS Low Rider S 114 2022 - 2025 Harley-Davidson FXLRS Low Rider S 117 2022 - 2025 Harley-Davidson FXLRST Low Rider ST 117 2022 Harley-Davidson FXRST Low Rider El Diablo 117 2017 Harley-Davidson FXSB Breakout 2017 Harley-Davidson FXSE CVO Pro Street Breakout 2020 - 2024 Harley-Davidson FXST Softail Standard 107 2025 Harley-Davidson Road Glide Custom FLTRX 2024 - 2025 Harley-Davidson Road Glide Police FLTRXP 2017 - 2025 Harley-Davidson Road King Police FLHP 2025 Harley-Davidson Softail Breakout FXBR 2025 Harley-Davidson Softail Fat Boy FLFB 2025 Harley-Davidson Softail Heritage Classic FLHC 2025 Harley-Davidson Softail Low Rider S FXLRS 2025 Harley-Davidson Softail Low Rider ST FXLRST 2022 Harley-Davidson Softail Street Bob FXBB 2025 Harley-Davidson Softail Street Bob FXBB 2025 Harley-Davidson Street Glide EFI FLHX 2025 Harley-Davidson Street Glide Ultra FLHXU FITMENT DISCLAIMER

S&S Cycle 106-3964A S&S® 41/8" Bore Forged Piston Kits For 1984-'16 Hot Set Up Kits® Wheeling Luggage 2008 Harley-Davidson Softail FLSTC HeritageS&S Cycle 106 3964A Fits: 1984 '16 HD big twins 4 1 8 bore. Stock or S&S heads. Piston kits include set of pistons, rings, wristpins, and clips Install Instructions DownloadFITMENT DISCLAIMER Fitment information is provided as a general reference only and is not guaranteed for any motorcycle, whether stock or modified. Compatibility may vary by year, model, and individual configuration. Customers are responsible for verifying fitment prior to