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S&S 128″ Big Bore Kit for 114″/117″ M8 Engines – Black Granite w/ Highlights

Original price was: $1,643.95.Current price is: $199.75.

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Description

Product Description

128″ Big Bore Kit for the 114″/117″ M8 Harley models. Black Granite with highlighted fins. Features an updated cylinder to fit both Gen 1 and Gen 2 M8 models. 

Fits: 2017-2023 117″ M-Eight Motors

  • Bolt-on kit, the largest cylinder bore possible without required machining of the crankcases
  • 4.50″ bore
  • 11:1 forged pistons with rings, pins and clips
  • All gaskets and hardware required for installation included
  • Wrinkle black finish
  • Made in the U.S.A.

NOTE: Not for 121″ CVO models.

Fitment

Year Make Model
2017 – 2019 Harley-Davidson Electra Glide Ultra Limited FLHTK
2017 – 2019 Harley-Davidson Electra Glide Ultra Limited Low FLHTKL
2017 – 2019 Harley-Davidson Freewheeler FLRT
2019 Harley-Davidson FXDR 114
2017 – 2019 Harley-Davidson Road Glide Special FLTRXS
2017 – 2019 Harley-Davidson Road Glide Ultra FLTRU
2017 – 2019 Harley-Davidson Road King Special FLHRXS
2018 – 2019 Harley-Davidson Softail Breakout 114 FXBRS
2018 – 2019 Harley-Davidson Softail Fat Bob 114 FXFBS
2018 – 2019 Harley-Davidson Softail Fat Boy 114 FLFBS
2018 – 2019 Harley-Davidson Softail Heritage Classic 114 FLHCS
2017 – 2019 Harley-Davidson Street Glide Special FLHXS
2017 – 2019 Harley-Davidson Tri Glide Ultra Classic FLHTCUTG

Additional Information

MPN 910-0733A

Emissions Notice Fitment

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