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
- Replacement gasket sets available separately
- Upgraded cylinders studs and head bolts recommended
- Made in the USA
- Monster big bore kit requires case boring.
- No sleeving allows for larger bore sizes.
Specs
Product Name | Cylinder Kit |
Color/Finish | Black |
Bore Size | 4.500" |
Displacement | 139" |
Stroke Length | 4-3/8" |
Units | Kit |
Riding Style | Street |
Fitments
Position | Notes | |||
---|---|---|---|---|
2021 | Harley-Davidson | Electra Glide Revival | - | - |
2020-2021 | Harley-Davidson | Softail Low Rider S FXLRS | - | - |
2020-2021 | Harley-Davidson | Road Glide Limited FLTRK | - | - |
2020-2021 | Harley-Davidson | CVO Tri Glide FLHTCUTGSE | - | - |
2020-2021 | Harley-Davidson | Softail Standard FXST | - | - |
2019-2021 | Harley-Davidson | Electra Glide Standard EFI FLHTI | - | - |
2019-2020 | Harley-Davidson | FXDR 114 | - | - |
2018-2021 | Harley-Davidson | Softail Heritage Classic 114 FLHCS | - | - |
2018-2021 | Harley-Davidson | Softail Sport Glide FLSB | - | - |
2018-2021 | Harley-Davidson | Softail Street Bob FXBB | - | - |
2018-2021 | Harley-Davidson | Softail Fat Bob 114 FXFBS | - | - |
2018-2021 | Harley-Davidson | Softail Fat Boy 114 FLFBS | - | - |
2018-2021 | Harley-Davidson | Softail Heritage Classic FLHC | - | - |
2018-2021 | Harley-Davidson | Softail Slim FLSL | - | - |
2018-2021 | Harley-Davidson | CVO Road Glide Custom FLTRXSE | - | - |
2018-2020 | Harley-Davidson | Softail Low Rider FXLR | - | - |
2018-2020 | Harley-Davidson | Softail Breakout 114 FXBRS | - | - |
2018-2020 | Harley-Davidson | Softail Deluxe FLDE | - | - |
2018-2019 | Harley-Davidson | Softail Breakout FXBR | - | - |
2018-2019 | Harley-Davidson | Softail Fat Bob FXFB | - | - |
2018-2019 | Harley-Davidson | Softail Fat Boy FLFB | - | - |
2017-2021 | Harley-Davidson | Electra Glide Police FLHTPI | - | - |
2017-2021 | Harley-Davidson | Road King Special FLHRXS | - | - |
2017-2021 | Harley-Davidson | Street Glide Special FLHXS | - | - |
2017-2021 | Harley-Davidson | Tri Glide Ultra Classic FLHTCUTG | - | - |
2017-2021 | Harley-Davidson | Freewheeler FLRT | - | - |
2017-2021 | Harley-Davidson | CVO Electra Glide Ultra Limited FLHTKSE | - | - |
2017-2021 | Harley-Davidson | Electra Glide Ultra Limited FLHTK | - | - |
2017-2021 | Harley-Davidson | Road Glide Special FLTRXS | - | - |
2017-2021 | Harley-Davidson | Road King EFI FLHR | - | - |
2017-2021 | Harley-Davidson | Street Glide EFI FLHX | - | - |
2017-2021 | Harley-Davidson | Road Glide Custom FLTRX | - | - |
2017-2021 | Harley-Davidson | CVO Street Glide FLHXSE | - | - |
2017-2019 | Harley-Davidson | Electra Glide Ultra Limited Low FLHTKL | - | - |
2017-2019 | Harley-Davidson | Road Glide Ultra FLTRU | - | - |
2017-2019 | Harley-Davidson | Electra Glide Ultra Classic EFI FLHTCUI | - | - |
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Fitment
Fitment
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Spec Sheet
- SKU9311051