In stock
Revolution Performance, LLC Cylinder Kit — 139" — Black with Highlighted Fins — 107" M8
- Aerospace-grade all-aluminum cylinder with nickel-silicon-carbide (NSC) electroplated bore
- NSC-plated cylinders have less friction for increased horsepower, lower engine temperatures and a longer lifespan
- Includes pair of all-aluminum NSC-coated bore cylinders, custom-forged pistons with high-tension rings specifically designed for NSC cylinders and a head/base gasket set
- Made in the USA
- Will require case boring, which is not recommended on OEM cases '95 and earlier; some kits will require a 4.625" stroke crank as noted.
$1899.95
In stock. Ships in 2–4 business days · free shipping over $150.
Can’t ship to California.
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Questions? Call the shop: 801-361-3010
Real shop · real humans · 1231 N 1300 W Ste A, Centerville, UT 84014
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Everything we carry from Revolution Performance, LLC →
Everything we carry from Revolution Performance, LLC →
Description & features5 features
- Aerospace-grade all-aluminum cylinder with nickel-silicon-carbide (NSC) electroplated bore
- NSC-plated cylinders have less friction for increased horsepower, lower engine temperatures and a longer lifespan
- Includes pair of all-aluminum NSC-coated bore cylinders, custom-forged pistons with high-tension rings specifically designed for NSC cylinders and a head/base gasket set
- Made in the USA
- Will require case boring, which is not recommended on OEM cases '95 and earlier; some kits will require a 4.625" stroke crank as noted.
Specifications14 specs
- Bore Size
- 4.500"
- Compression Ratio
- 11.2:1
- Features
- Flat Top
- Displacement
- 139"
- Color/Finish
- Highlighted Fins, Black
- Stroke Length
- 4.375"
- Cylinder Bore Coating
- Nickel-Silicon Carbide
- Riding Style
- Street
- Type
- Monster Big Bore
- Units
- Kit
- Material
- Aluminum
- Shipping weight
- 23.56 lb
- Package size
- 15.7 × 13.3 × 9.5 in
- Country of origin
- USA
Fitment31 models · Harley-Davidson
Harley-Davidson31 models
- Electra Glide Police FLHTPI2017–2024
- FLDE Deluxe 1072018–2020
- FLFB Fat Boy 1072018–2019
- FLHC Heritage Classic 1072018–2021
- FLHR Road King2017–2022
- FLHRXS Road King Special2017–2024
- FLHT Electra Glide Standard2019–2022
- FLHTCU Electra Glide Ultra Classic2017–2019
- FLHTCUTG Tri Glide Ultra2017–2024
- FLHTK Ultra Limited2017–2024
- FLHTKL Ultra Limited Low2017–2019
- FLHX Street Glide2017–2024
- FLHXS Street Glide Special2017–2023
- FLRT Freewheeler2017–2024
- FLSB Sport Glide 1072018–2021
- FLSL Softail Slim 1072018–2021
- FLTRK Road Glide Limited2020–2024
- FLTRU Road Glide Ultra2017–2019
- FLTRX Road Glide2017–2024
- FLTRXS Road Glide Special2017–2023
- FLTRXST Road Glide ST2022–2023
- FXBB Street Bob 1072018–2020
- FXBBS Street Bob 1142021, 2023–2024
- FXBR Breakout 1072018–2019
- FXBR Breakout 1172023–2024
- FXFB Fat Bob 1072018–2019
- FXLR Low Rider 1072018–2020
- FXST Softail Standard 1072020–2024
- Road Glide Police FLTRXP2024
- Road King Police FLHP2017–2024
- Softail Street Bob FXBB2022
Fitment comes from the catalog data for this part. Double-check your year, model and trim before you order — or call the counter at 801-361-3010 and we’ll check it with you.
Part numbers
- Salto part #
- 0931-1050
- Revolution Performance, LLC part #
- RP201-611W
Shipping
In stock. Ships in 2–4 business days by ground.
Ground shipping is $14.95, free on orders over $150. Stock is checked again before your card is charged.
California: this part can’t ship to a California address.
Questions4 answers
- Is it in stock?
- Yes — it’s in stock right now. We check again the moment you order, before anything is charged.
- How fast will it get to me?
- Usually 2–4 business days by ground.
- Will it fit my machine?
- It’s listed for the models in the Fitment section above. Not sure about your trim or year? Call the counter at 801-361-3010 and we’ll check it with you.
- Is this genuine Revolution Performance, LLC?
- Yes. It’s new and genuine, straight from Salto — Revolution Performance, LLC part #RP201-611W.
