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S&S CYCLE 310-1226 129" Power Package Engine Performance Kit - Chain Drive Oil Cooled Non-Highlighted Fins M8

MSRP: $3,359.95
$2,855.96
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Manufacturer Part Number:
310-1226
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S&S CYCLE 310-1226 129" Power Package Engine Performance Kit - Chain Drive Oil Cooled Non-Highlighted Fins M8

Manufacturer Part Number: 310-1226

Drag Part Number: 0904-0106

129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Non-Highlighted Fins - M8

  • 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

Note: DISCONTINUED ITEM

Clearance / Discontinued Item: Limited availability. Please verify fitment before ordering.

Fitment

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

Fitment confidence: DIRECT_HTTP_EXACT_AND_PRODUCT_HIERARCHY_MATCH

129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Non-Highlighted Fins - M8

  • Transform 107" oil-cooled M8 into 129" with no case machining required
  • Feature high-performance conical single-wire S&S valve springs