Product description

The S&S Cycle 128" Power Package for 114"/117" Oil Cooled M8 For Harley Davidson FLFBS 1868 2018-2024 - Black Granite/Highlighted Fins is part of the latest collection from S&S Cycle.

Features:

• Made in the USA
• Big Bore Kit
• Big-bore bolt-on kit increases 114"/117" with 4-1/2" stroke M-Eight to 128" with no case machining required
• 4-1/4" bore cylinders with 11:1 forged pistons
• Oil Pump/Cam Plate
• S&S oil pump/cam plate with blue anodized finish
• Passage plugs are removable for servicing
• Independent scavenge sections for flywheel cavity and camchest
• Debris screen in both scavenge pickups
• Magnet in camchest to help prevent debris from entering the oil pump
• Increased oil flow capacity on both the oil feed and scavenge side
• Adjustable pressure relief valve can be adjusted with the unit installed in the engine
• Pushrods
• Quikee pushrods with chrome pushrod tubes
• Tappets
• S&S premium tappets
• Tappet Cuffs
• S&S hard-anodized, black coated tappet cuffs are billet aluminum construction
• Improve tappet stability in high-lift, high-rpm situations
• Cam
• S&S 550 cams designed for big bore applications
• Valve Springs
• S&S valve springs work with cams up to .605" lift
• High-performance conical single-wire spring design
• All necessary gaskets, bearings and hardware for bolt-on installation is included
Not recommended for Tri-Glide or other three wheel models including conversion due to lugging nature of these bikes.

Specifications:

• Bore Size: 4.250"
• Cam Drive Type: Gear
• Color/Finish: Black Granite| Highlighted Fins
• Compression Ratio: 11.1
• Cooling System: Oil Cooled
• Displacement: 128"
• Model: Power Package
• Product Name: Performance Kit
• Stroke Length: 4.500"
• Style: Big Bore
• Type: Engine
• Units: Kit

To fit:

• Harley Davidson FLFBS 1868 ABS 2018 Softail Fat Boy 114 All Models
• Harley Davidson FLFBS 1868 ABS 2018 Softail Fat Boy Anniversary (ANV) 114 All Models
• Harley Davidson FLFBS 1868 ABS 2018 Softail Fat Boy Anniversary (ANX) 114 All Models
• Harley Davidson FLFBS 1868 ABS 2019 Softail Fat Boy 114 All Models
• Harley Davidson FLFBS 1868 ABS 2020 Softail Fat Boy 114 All Models
• Harley Davidson FLFBS 1868 ABS 2021 Softail Fat Boy 114 All Models
• Harley Davidson FLFBS 1868 ABS 2022 Softail Fat Boy 114 All Models
• Harley Davidson FLFBS 1868 ABS 2023 Softail Fat Boy 114 All Models
• Harley Davidson FLFBS 1868 ABS 2024 Softail Fat Boy 114 All Models
• Harley Davidson FLFBS 1923 ABS 2025 Softail Fat Boy 117 All Models
• Harley Davidson FLHCS 1868 ABS 2018 Softail Heritage Classic 114 All Models
• Harley Davidson FLHCS 1868 ABS 2018 Softail Heritage Classic Anniversary 114 All Models
• Harley Davidson FLHCS 1868 ABS 2019 Softail Heritage Classic 114 All Models
• Harley Davidson FLHCS 1868 ABS 2020 Softail Heritage Classic 114 All Models
• Harley Davidson FLHCS 1868 ABS 2021 Softail Heritage Classic 114 All Models
• Harley Davidson FLHCS 1868 ABS 2022 Softail Heritage Classic 114 All Models
• Harley Davidson FLHCS 1868 ABS 2023 Softail Heritage Classic 114 All Models
• Harley Davidson FLHCS 1868 ABS 2024 Softail Heritage Classic 114 All Models
• Harley Davidson FLHCS 1923 ABS 2025 Softail Heritage Classic 117 All Models
• Harley Davidson FLHRXS 1868 ABS 2019 Road King Special 114 All Models
• Harley Davidson FLHRXS 1868 ABS 2020 Road King Special 114 All Models
• Harley Davidson FLHRXS 1868 ABS 2021 Road King Special 114 All Models
• Harley Davidson FLHRXS 1868 ABS 2022 Road King Special 114 All Models
• Harley Davidson FLHRXS 1868 ABS 2023 Road King Special 114 All Models
• Harley Davidson FLHRXS 1868 ABS 2024 Road King Special 114 All Models
• Harley Davidson FLHRXS 1868 ABS 2025 Road King Special 114 All Models
• Harley Davidson FLHTCUTG 1868 ABS 2020 Tri Glide Ultra 114 All Models
• Harley Davidson FLHTCUTG 1868 ABS 2021 Tri Glide Ultra 114 All Models
• Harley Davidson FLHTCUTG 1868 ABS 2022 Tri Glide Ultra 114 All Models
• Harley Davidson FLHTCUTG 1868 ABS 2023 Tri Glide Ultra 114 All Models
• Harley Davidson FLHXSE 1923 ABS 2022 Street Glide CVO 117 All Models
• Harley Davidson FLHXSE 1977 ABS 2023 Street Glide CVO 121 All Models
• Harley Davidson FLHXST 1923 ABS 2022 Street Glide ST 117 All Models
• Harley Davidson FLHXST 1923 ABS 2023 Street Glide ST 117 All Models
• Harley Davidson FLHXS 1868 ABS 2019 Street Glide Special 114 All Models
• Harley Davidson FLHXS 1868 ABS 2020 Street Glide Special 114 All Models
• Harley Davidson FLHXS 1868 ABS 2021 Street Glide Special 114 Arctic Blast Limited All Models
• Harley Davidson FLHXS 1868 ABS 2021 Street Glide Special 114 All Models
• Harley Davidson FLHXS 1868 ABS 2022 Street Glide Special 114 All Models
• Harley Davidson FLHXS 1868 ABS 2023 Street Glide Special 114 All Models
• Harley Davidson FLHXS 1868 ABS 2023 Street Glide Special Anniversary 114 All Models
• Harley Davidson FLHX 1923 ABS 2024 Street Glide 117 All Models
• Harley Davidson FLHX 1923 ABS 2025 Street Glide 117 All Models
• Harley Davidson FLH 1868 ABS 2021 Electra Glide Revival 114 All Models
• Harley Davidson FLI 1868 ABS 2024 Hydra-Glide Revival 114 All Models
• Harley Davidson FLRT 1868 ABS 2020 Freewheeler 114 All Models
• Harley Davidson FLRT 1868 ABS 2021 Freewheeler 114 All Models
• Harley Davidson FLRT 1868 ABS 2022 Freewheeler 114 All Models
• Harley Davidson FLRT 1868 ABS 2023 Freewheeler 114 All Models
• Harley Davidson FLRT 1868 ABS 2024 Freewheeler 114 All Models
• Harley Davidson FLRT 1868 ABS 2025 Freewheeler 114 All Models
• Harley Davidson FLTRT 1868 ABS 2023 Road Glide 3 114 All Models
• Harley Davidson FLTRT 1868 ABS 2024 Road Glide 3 114 All Models
• Harley Davidson FLTRT 1868 ABS 2025 Road Glide 3 114 All Models
• Harley Davidson FLTRXSE 1977 ABS 2023 Road Glide CVO 121 All Models
• Harley Davidson FLTRXST 1923 ABS 2022 Road Glide ST 117 All Models
• Harley Davidson FLTRXST 1923 ABS 2023 Road Glide ST 117 All Models
• Harley Davidson FLTRXS 1868 ABS 2019 Road Glide Special 114 All Models
• Harley Davidson FLTRXS 1868 ABS 2020 Road Glide Special 114 All Models
• Harley Davidson FLTRXS 1868 ABS 2021 Road Glide Special 114 All Models
• Harley Davidson FLTRXS 1868 ABS 2022 Road Glide Special 114 All Models
• Harley Davidson FLTRXS 1868 ABS 2023 Road Glide Special 114 All Models
• Harley Davidson FLTRXS 1868 ABS 2023 Road Glide Special Anniversary 114 All Models
• Harley Davidson FLTRX 1923 ABS 2024 Road Glide 117 All Models
• Harley Davidson FLTRX 1923 ABS 2025 Road Glide 117 All Models
• Harley Davidson FXBBS 1868 ABS 2021 Softail Street Bob 114 All Models
• Harley Davidson FXBBS 1868 ABS 2022 Softail Street Bob 114 All Models
• Harley Davidson FXBBS 1868 ABS 2023 Softail Street Bob 114 All Models
• Harley Davidson FXBBS 1868 ABS 2024 Softail Street Bob 114 All Models
• Harley Davidson FXBBS 1868 2021 Softail Street Bob 114 American Models
• Harley Davidson FXBB 1923 ABS 2025 Softail Street Bob 117 All Models
• Harley Davidson FXBRS 1868 ABS 2018 Softail Breakout 114 All Models
• Harley Davidson FXBRS 1868 ABS 2018 Softail Breakout Anniversary (ANX) 114 All Models
• Harley Davidson FXBRS 1868 ABS 2019 Softail Breakout 114 All Models
• Harley Davidson FXBRS 1868 ABS 2020 Softail Breakout 114 All Models
• Harley Davidson FXBRS 1868 ABS 2021 Softail Breakout 114 European Models
• Harley Davidson FXBRS 1868 ABS 2022 Softail Breakout 114 European Models
• Harley Davidson FXBR 1923 ABS 2023 Softail Breakout 117 All Models
• Harley Davidson FXBR 1923 ABS 2024 Softail Breakout 117 All Models
• Harley Davidson FXBR 1923 ABS 2025 Softail Breakout 117 All Models
• Harley Davidson FXDRS 1868 ABS 2020 Softail King 114 All Models
• Harley Davidson FXDR 1868 ABS 2019 Softail King 114 All Models
• Harley Davidson FXFBS 1868 ABS 2018 Softail Fat Bob 114 All Models
• Harley Davidson FXFBS 1868 ABS 2019 Softail Fat Bob 114 All Models
• Harley Davidson FXFBS 1868 ABS 2020 Softail Fat Bob 114 All Models
• Harley Davidson FXFBS 1868 ABS 2021 Softail Fat Bob 114 All Models
• Harley Davidson FXFBS 1868 ABS 2022 Softail Fat Bob 114 All Models
• Harley Davidson FXFBS 1868 ABS 2023 Softail Fat Bob 114 All Models
• Harley Davidson FXLRST 1923 ABS 2022 Softail Low Rider ST 117 All Models
• Harley Davidson FXLRST 1923 ABS 2022 Softail Low Rider ST EL Diablo 117 All Models
• Harley Davidson FXLRST 1923 ABS 2023 Softail Low Rider ST 117 All Models
• Harley Davidson FXLRST 1923 ABS 2024 Softail Low Rider ST 117 All Models
• Harley Davidson FXLRST 1923 ABS 2025 Softail Low Rider ST 117 H.O. All Models
• Harley Davidson FXLRS 1868 ABS 2020 Softail Low Rider S 114 All Models
• Harley Davidson FXLRS 1868 ABS 2021 Softail Low Rider S 114 All Models
• Harley Davidson FXLRS 1923 ABS 2022 Softail Low Rider S 117 All Models
• Harley Davidson FXLRS 1923 ABS 2023 Softail Low Rider S 117 All Models
• Harley Davidson FXLRS 1923 ABS 2024 Softail Low Rider S 117 All Models
• Harley Davidson FXLRS 1923 ABS 2025 Softail Low Rider S 117 H.O. All Models

Manufacturer part number: 310-1110A

View all S&S Cycle. View all Parts and spares.

Contents

Your package will include the following:

• 1 X S&S Cycle 128" Power Package for 114"/117" Oil Cooled M8 For Harley Davidson FLFBS 1868 2018-2024 - Black Granite/Highlighted Fins