Description

S&S CYCLE

124″ Power Package Engine Performance Kit

124″ Chain Drive

P/N 310-1057B

Includes black pushrod tubes

• Made in the U.S.A.
• Big Bore Kit
• 107″ to 124″ Big bore kit
• Bolt on kit
• No case matching required
• Forged pistons
• 11:1 Compression ratio
• Oil Pump/Cam Plate
• Precision machined from billet aluminum
• Blue anodized finish
• Passage plugs removable for servicing
• Independent scavenge sections for flywheel cavity and cam chest
• Debris screens in both the scavenge pickups
• Magnet in cam chest to help to stop debris from entering oil pump
• Increased flow capacity on both feed and scavenge side
• Adjustable pressure relief valve is adjustable with unit installed in engine
• Pushrods
• Quikee pushrods
• Tappets
• S&S precision tappets
• Tappet Cuffs
• Hard anodized black coating
• Billet aluminum construction
• Stronger than stock material eliminates distortion
• Improve tappet stability in high lift and high rpm situations
• Cam
• S&S 550 cam-designed for big bore applications
• Valve Springs
• Work well with cams up to .605″ lift
• High performance conical single wire spring
• S&S does not recommend compression ratios higher than 10:1 for Tri Glide® or other three wheel models (including conversions) due to extra loads caused by the lugging nature of these bikes. Detonation and subsequent engine damage may result
  

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  Fitments

  2022	Harley-Davidson	Softail Low Rider ST FXLRST	–	–
  2022	Harley-Davidson	Road Glide ST FLTRXST	–	–
  2022	Harley-Davidson	Street Glide ST FLHXST	–	–
  2021	Harley-Davidson	Electra Glide Revival	–	–
  2020-2022	Harley-Davidson	Softail Standard FXST	–	–
  2020-2022	Harley-Davidson	Softail Low Rider S FXLRS	–	–
  2019-2022	Harley-Davidson	Electra Glide Standard EFI FLHTI	–	–
  2019-2020	Harley-Davidson	FXDR 114	–	–
  2018-2022	Harley-Davidson	Softail Street Bob FXBB	–	–
  2018-2022	Harley-Davidson	Softail Fat Bob 114 FXFBS	–	–
  2018-2022	Harley-Davidson	Softail Fat Boy 114 FLFBS	–	–
  2018-2022	Harley-Davidson	Softail Heritage Classic 114 FLHCS	–	–
  2018-2022	Harley-Davidson	CVO Road Glide Custom FLTRXSE	–	–
  2018-2021	Harley-Davidson	Softail Heritage Classic FLHC	–	–
  2018-2021	Harley-Davidson	Softail Sport Glide FLSB	–	–
  2018-2021	Harley-Davidson	Softail Slim FLSL	–	–
  2018-2020	Harley-Davidson	Softail Breakout 114 FXBRS	–	–
  2018-2020	Harley-Davidson	Softail Deluxe FLDE	–	–
  2018-2020	Harley-Davidson	Softail Low Rider FXLR	–	–
  2018-2019	Harley-Davidson	Softail Fat Bob FXFB	–	–
  2018-2019	Harley-Davidson	Softail Fat Boy FLFB	–	–
  2018-2019	Harley-Davidson	Softail Breakout FXBR	–	–
  2017-2022	Harley-Davidson	Street Glide Special FLHXS	–	–
  2017-2022	Harley-Davidson	Road Glide Special FLTRXS	–	–
  2017-2022	Harley-Davidson	Road King Special FLHRXS	–	–
  2017-2022	Harley-Davidson	Road King EFI FLHR	–	–
  2017-2022	Harley-Davidson	Road Glide Custom FLTRX	–	–
  2017-2022	Harley-Davidson	Street Glide EFI FLHX	–	–
  2017-2022	Harley-Davidson	CVO Street Glide FLHXSE	–	–
  2017-2021	Harley-Davidson	Electra Glide Police FLHTPI	–	–
  2017-2019	Harley-Davidson	Road Glide Ultra FLTRU	–	–
  2017-2019	Harley-Davidson	Electra Glide Ultra Classic EFI FLHTCUI	–	–
  2017	Harley-Davidson	Fat Boy Lo FLSTFB	–	–
  2017	Harley-Davidson	Softail Slim FLS	–	–
  2017	Harley-Davidson	CVO Pro Street Breakout FXSE	–	–
  2017	Harley-Davidson	Fat Boy S FLSTFBS	–	–
  2017	Harley-Davidson	Softail Slim S FLSS	–	–
  2017	Harley-Davidson	Softail Fat Boy EFI FLSTFI	–	–
  2017	Harley-Davidson	Softail Deluxe EFI FLSTNI	–	–
  2017	Harley-Davidson	Softail Heritage Classic EFI FLSTCI	–	–
  2017	Harley-Davidson	Breakout FXSB	–	–