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Loveland, Colorado (970) 637-6000
S&S CYCLE 131" Hot Set Up® - 4-5/8" Stroke - Wrinkle Black w/Highlight - M8 320-0621
S&S CYCLE 131" Hot Set Up® - 4-5/8" Stroke - Wrinkle Black w/Highlight - M8 320-0621
S&S CYCLE 131" Hot Set Up® - 4-5/8" Stroke - Wrinkle Black w/Highlight - M8 320-0621

S&S Cycle

S&S CYCLE 131" Hot Set Up® - 4-5/8" Stroke - Wrinkle Black w/Highlight - M8 320-0621

SKU: 09040262 MPN: 320-0621 Condition: New
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$2,695.95
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S&S CYCLE 131" Hot Set Up® - 4-5/8" Stroke - Wrinkle Black w/Highlight - M8 320-0621

$2,695.95
131" Hot Set Up® - 4-5/8" Stroke - Wrinkle Black w/Highlight - M8 Updated profile eliminates frame and lifter block clearance issues, Original engine serial numbers are retained, Powder coat finish matches factory finishes, Retains stock engine height, Includes 131" cam cover badge, Bolts in with no machine work for '17-'25 Touring models equipped with standard factory 114" or 117" M8 engines that feature 4-5/8" stroke from the factory., Requires crankcase split and component upgrades to fit '17-'25 M8 Touring 107" models and '18-'25 Softail models., Specifically engineered for a 4-5/8" stroke. Must be paired with an aftermarket 4-5/8" stroker flywheel assembly to achieve 131" displacement on 107" and Softail models., Works with stock crankcases: Cylinder spigots are designed to slide into the original factory cases., Cylinders and pistons kit only, flywheel sold separately.

Fitment notes

  • Harley-Davidson FLHRXS Road King Special (2020-2022); Harley-Davidson FLHTK Ultra Limited (2019-2020, 2022); Harley-Davidson FLHX Street Glide (2024-2025); Harley-Davidson FLHXS Street Glide Special (2019, 2022-2023); Harley-Davidson FLTRK Road Glide Limited (2020-2022); Harley-Davidson FLTRU Road Glide Ultra (2019); Harley-Davidson FLTRX Road Glide (2024-2025); Harley-Davidson FLTRXS Road Glide Special (2020): Factory 4-5/8" stroke crankshaft, will bolt in without any case splitting or machine work.
  • Harley-Davidson FLFB Fat Boy 107 (2020); Harley-Davidson FLFBS Fat Boy 114 (2018, 2021, 2024); Harley-Davidson FLHC Heritage Classic 107 (2020); Harley-Davidson FLHCS Heritage Classic 114 (2020-2023); Harley-Davidson FLSB Sport Glide 107 (2018-2019); Harley-Davidson FLSL Softail Slim 107 (2019); Harley-Davidson FXBB Street Bob 107 (2020); Harley-Davidson FXBBS Street Bob 114 (2021, 2024); Harley-Davidson FXBR Breakout 107 (2018); Harley-Davidson FXFBS Fat Bob 114 (2021); Harley-Davidson FXLR Low Rider 107 (2018, 2020); Harley-Davidson FXLRS Low Rider S 114 (2021); Harley-Davidson FXLRS Low Rider S 117 (2025); Harley-Davidson FXLRST Low Rider ST 117 (2022, 2024); Harley-Davidson FXST Softail Standard 107 (2020-2024): Requires splitting the crankcases and installing a separate aftermarket 4-5/8" stroker flywheel assembly.
  • Harley-Davidson FLHR Road King (2017-2018, 2021-2022); Harley-Davidson FLHRXS Road King Special (2017); Harley-Davidson FLHT Electra Glide Standard (2019, 2021); Harley-Davidson FLHTCU Electra Glide Ultra Classic (2017-2019); Harley-Davidson FLHX Street Glide (2017-2018); Harley-Davidson FLHXS Street Glide Special (2017); Harley-Davidson FLTRX Road Glide (2017); Harley-Davidson FLTRXS Road Glide Special (2017-2018): Requires splitting the crankcases and installing separate aftermarket 4-5/8" stroker flywheel assembly.

Checking Fitment

Not every product runs through our fitment finder, and we would rather you confirm exact fitment than rely on a partial filter. Match the specifications against your machine or the part you are replacing, or contact us and we will confirm it for you.

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BrandS&S Cycle
SKU:09040262
MPN320-0621
Condition:New

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