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S&S Cycle 129" Power Package Engine Performance Kit 550 Gear Drive for '17-26 Harley Davidson Oil Cooled Touring and '18-26 Softail - Wrinkle Black w/Highlighted Fins

SKU: 310-1224D
$3,497.95
S&S Cycle 129" Power Package Engine Performance Kit 550 Gear Drive for '17-26 Harley Davidson Oil Cooled Touring and '18-26 Softail - Wrinkle Black w/Highlighted Fins

Outfitting Riders for 20+ Years

Guaranteed Fitment for Parts

Free Shipping Available

45-Day Return Policy

S&S Cycle 129" Power Package Engine Performance Kit 550 Gear Drive for '17-26 Harley Davidson Oil Cooled Touring and '18-26 Softail - Wrinkle Black w/Highlighted Fins/ Chrome Pushrod Tubes

  • Big-bore bolt-on kit increases 107" M8 to 129" with no case machining required
  • 4.32" bore cylinders with 11.0:1 compression ratio forged pistons
  • S&S oil pump/cam plate with blue anodized finish
  • Passage plugs are removable for servicing
  • Independent scavenge sections for flywheel cavity and cam chest
  • Debris screen in both scavenge pickups
  • Magnet in cam chest 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
  • Quickee pushrods
  • S&S premium tappets
  • S&S hard-anodized, black coated tappet cuffs are billet aluminum construction
  • S&S 550 cams are designed for big bore applications
  • S&S valve springs work with cams up to 0.605" lift
  • High-performance conical single wire spring design
  • Made in the USA

Notes

  • Will fit VVT models.
  • Not for any Trike models.
  • Intake/rocker cover gaskets not included.

DISCLAIMER: Not legal for sale or use in California on any pollution controlled motor vehicles.

Fitments

2026 Harley-Davidson FXBR Breakout 117
2025-2026 Harley-Davidson Softail Heritage Classic FLHC
2025-2026 Harley-Davidson Softail Fat Boy FLFB
2025 Harley-Davidson Street Glide EFI FLHX
2025 Harley-Davidson Softail Breakout FXBR
2020-2024 Harley-Davidson FXST Softail Standard 107
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 FLFB Fat Boy 107
2018-2020 Harley-Davidson FLDE Deluxe 107
2018-2020 Harley-Davidson FXBB Street Bob 107
2018-2020 Harley-Davidson FXLR Low Rider 107
2018-2019 Harley-Davidson FXBR Breakout 107
2018-2019 Harley-Davidson FXFB Fat Bob 107
2017-2026 Harley-Davidson FLHX Street Glide
2017-2026 Harley-Davidson FLTRX Road Glide
2017-2023 Harley-Davidson FLTRXS Road Glide Special
2017-2023 Harley-Davidson FLHXS Street Glide Special
2017-2022 Harley-Davidson FLHR Road King
2017-2019 Harley-Davidson FLHRC Road King Classic
S&S Cycle 129" Power Package Engine Performance Kit 550 Gear Drive for '17-26 Harley Davidson Oil Cooled Touring and '18-26 Softail - Wrinkle Black w/Highlighted Fins

S&S Cycle 129" Power Package Engine Performance Kit 550 Gear Drive for '17-26 Harley Davidson Oil Cooled Touring and '18-26 Softail - Wrinkle Black w/Highlighted Fins