S&S Cycle 129" Power Package Engine Performance Kit - Gear Drive - Oil Cooled - Highlighted Fins - M8

$3,359.95


Delivery and Shipping

Ships Within 2-5 business days

For Pickup Call for availability

Features

  • Transform 107" oil-cooled M8 into 129" with no case machining required
  • Big bore cylinders come with matching cam, cam plate and oil pump
  • Independent scavenge sections for flywheel cavity and cam chest
  • Magnet in cam chest to help prevent debris from entering oil pump
  • Feature high-performance conical single-wire S&S valve springs
  • Original engine serial numbers are retained
  • Passage plugs are removable for servicing
  • Debris screen in both scavenge pickups
  • MLS (multi-layered steel) head gaskets
  • Performance matched 550 cam
  • Works with stock crankcase
  • Made in the USA

Specs

Product Name Performance Kit
Type Engine
Style Big Bore
Model Power Package
Color/Finish Highlighted Fins / Black
Features Black Pushrod Tubes
Stroke Length 4.375"
Displacement 129"
Bore Size 4.320"
Cam Drive Type Gear
Cooling System Oil Cooled
Units Kit
Riding Style Street

 

FITMENTS:

2023 Harley-Davidson FXBR Breakout 117 - -
2022-2023 Harley-Davidson FLHXST Street Glide ST - -
2022-2023 Harley-Davidson FLTRXST Road Glide ST - -
2022-2023 Harley-Davidson FXLRS Low Rider S 117 - -
2022-2023 Harley-Davidson FXLRST Low Rider ST 117 - -
2022 Harley-Davidson Softail Street Bob FXBB - -
2021-2023 Harley-Davidson FXBBS Street Bob 114 - -
2021 Harley-Davidson FLH Electra Glide Revival - -
2020-2023 Harley-Davidson FXST Softail Standard 107 - -
2020-2021 Harley-Davidson FXLRS Low Rider S 114 - -
2019-2022 Harley-Davidson FLHT Electra Glide Standard - -
2019-2020 Harley-Davidson FXDRS FXDR 114 - -
2018-2023 Harley-Davidson FLFBS Fat Boy 114 - -
2018-2023 Harley-Davidson FLHCS Heritage Classic 114 - -
2018-2022 Harley-Davidson FLTRXSE CVO Road Glide - -
2018-2021, 2023 Harley-Davidson FXFBS Fat Bob 114 - -
2018-2021 Harley-Davidson FLHC Heritage Classic 107 - -
2018-2021 Harley-Davidson FLSL Softail Slim 107 - -
2018-2021 Harley-Davidson FLSB Sport Glide 107 - -
2018-2020 Harley-Davidson FLDE Deluxe 107 - -
2018-2020 Harley-Davidson FXBB Street Bob 107 - -
2018-2020 Harley-Davidson FXLR Low Rider 107 - -
2018-2020 Harley-Davidson FXBRS Breakout 114 - -
2018-2019 Harley-Davidson FXBR Breakout 107 - -
2018-2019 Harley-Davidson FXFB Fat Bob 107 - -
2018-2019 Harley-Davidson FLFB Fat Boy 107 - -
2017-2023 Harley-Davidson FLHRXS Road King Special - -
2017-2023 Harley-Davidson FLHX Street Glide - -
2017-2023 Harley-Davidson FLHXS Street Glide Special - -
2017-2023 Harley-Davidson FLTRX Road Glide - -
2017-2023 Harley-Davidson FLTRXS Road Glide Special - -
2017-2022 Harley-Davidson FLHR Road King - -
2017-2022 Harley-Davidson FLHXSE CVO Street Glide - -
2017-2021 Harley-Davidson Electra Glide Police FLHTPI - -
2017-2019 Harley-Davidson FLHTCU Electra Glide Ultra Classic - -
2017-2019 Harley-Davidson FLTRU Road Glide Ultra

Payment & Security

Payment methods

  • American Express
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  • Diners Club
  • Discover
  • Google Pay
  • iDEAL Wero
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  • Visa

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S&S CYCLE

S&S Cycle 129" Power Package Engine Performance Kit - Gear Drive - Oil Cooled - Highlighted Fins - M8

$3,359.95

Features

Specs

Product Name Performance Kit
Type Engine
Style Big Bore
Model Power Package
Color/Finish Highlighted Fins / Black
Features Black Pushrod Tubes
Stroke Length 4.375"
Displacement 129"
Bore Size 4.320"
Cam Drive Type Gear
Cooling System Oil Cooled
Units Kit
Riding Style Street

 

FITMENTS:

2023 Harley-Davidson FXBR Breakout 117 - -
2022-2023 Harley-Davidson FLHXST Street Glide ST - -
2022-2023 Harley-Davidson FLTRXST Road Glide ST - -
2022-2023 Harley-Davidson FXLRS Low Rider S 117 - -
2022-2023 Harley-Davidson FXLRST Low Rider ST 117 - -
2022 Harley-Davidson Softail Street Bob FXBB - -
2021-2023 Harley-Davidson FXBBS Street Bob 114 - -
2021 Harley-Davidson FLH Electra Glide Revival - -
2020-2023 Harley-Davidson FXST Softail Standard 107 - -
2020-2021 Harley-Davidson FXLRS Low Rider S 114 - -
2019-2022 Harley-Davidson FLHT Electra Glide Standard - -
2019-2020 Harley-Davidson FXDRS FXDR 114 - -
2018-2023 Harley-Davidson FLFBS Fat Boy 114 - -
2018-2023 Harley-Davidson FLHCS Heritage Classic 114 - -
2018-2022 Harley-Davidson FLTRXSE CVO Road Glide - -
2018-2021, 2023 Harley-Davidson FXFBS Fat Bob 114 - -
2018-2021 Harley-Davidson FLHC Heritage Classic 107 - -
2018-2021 Harley-Davidson FLSL Softail Slim 107 - -
2018-2021 Harley-Davidson FLSB Sport Glide 107 - -
2018-2020 Harley-Davidson FLDE Deluxe 107 - -
2018-2020 Harley-Davidson FXBB Street Bob 107 - -
2018-2020 Harley-Davidson FXLR Low Rider 107 - -
2018-2020 Harley-Davidson FXBRS Breakout 114 - -
2018-2019 Harley-Davidson FXBR Breakout 107 - -
2018-2019 Harley-Davidson FXFB Fat Bob 107 - -
2018-2019 Harley-Davidson FLFB Fat Boy 107 - -
2017-2023 Harley-Davidson FLHRXS Road King Special - -
2017-2023 Harley-Davidson FLHX Street Glide - -
2017-2023 Harley-Davidson FLHXS Street Glide Special - -
2017-2023 Harley-Davidson FLTRX Road Glide - -
2017-2023 Harley-Davidson FLTRXS Road Glide Special - -
2017-2022 Harley-Davidson FLHR Road King - -
2017-2022 Harley-Davidson FLHXSE CVO Street Glide - -
2017-2021 Harley-Davidson Electra Glide Police FLHTPI - -
2017-2019 Harley-Davidson FLHTCU Electra Glide Ultra Classic - -
2017-2019 Harley-Davidson FLTRU Road Glide Ultra
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