![JE Pistons Piston Kit - 4.255" Bore - 4.375" Stroke - 11.5:1 CR - 107" M8 [399155]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/1280x1280/products/127322/137257/parts-09107013__74394.1787048855.jpg?c=2 "JE Pistons Piston Kit - 4.255\" Bore - 4.375\" Stroke - 11.5:1 CR - 107\" M8 [399155]")
![JE Pistons Piston Kit - 4.255" Bore - 4.375" Stroke - 11.5:1 CR - 107" M8 [399155]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/127322/137257/parts-09107013__74394.1787048855.jpg?c=2 "JE Pistons Piston Kit - 4.255\" Bore - 4.375\" Stroke - 11.5:1 CR - 107\" M8 [399155]")
JE Pistons Piston Kit - 4.255" Bore - 4.375" Stroke - 11.5:1 CR - 107" M8 [399155]
Manufacturer Part Number: 399155
Parts Unlimited Part Number: 09107013
Product Type: Piston & Ring Kits
Piston Kit - 4.255" Bore - 4.375" Stroke - 11.5:1 CR - 107" M8
Details
- Compression Ratio: 11.5:1
- Piston Material: Forged 2618 Aluminum
- Product Name: Piston Kit
- Riding Style: Street
- Bore Size: 4.255"
- Displacement: 107"
- Stroke Length: 4.375"
- Units: Kit
- 2618-T6 forged construction provides better aligned grain flow and higher tensile strength to provide durability, even in high-performance builds
- Skirt coating reduces operating friction and wear
- Offset pins reduce piston rock and minimize operating noise
- Skirt notches for optimal clearance at bottom dead center
- Accumulator groove taps combustion gases below the top ring to promote more consistent, positive ring seal and performance
- Inlcudes two pistons, premium ring packs, wrist pins and wire locks
- Made in the USA
Verified Fitment
- 2019 Harley-Davidson FLHC Heritage Classic 107
- 2021 Harley-Davidson FLHC Heritage Classic 107
- 2018 Harley-Davidson FLHC Heritage Classic 107
- 2020 Harley-Davidson FLHC Heritage Classic 107
- 2019 Harley-Davidson FLHR Road King
- 2018 Harley-Davidson FLHR Road King
- 2021 Harley-Davidson FLHR Road King
- 2020 Harley-Davidson FLHR Road King
- 2017 Harley-Davidson FLHR Road King
- 2022 Harley-Davidson FLHR Road King
- 2019 Harley-Davidson FLHT Electra Glide Standard
- 2020 Harley-Davidson FLHT Electra Glide Standard
- 2021 Harley-Davidson FLHT Electra Glide Standard
- 2022 Harley-Davidson FLHT Electra Glide Standard
- 2018 Harley-Davidson FLHTK Ultra Limited
- 2020 Harley-Davidson FLHTK Ultra Limited
- 2017 Harley-Davidson FLHTK Ultra Limited
- 2019 Harley-Davidson FLHTK Ultra Limited
- 2020 Harley-Davidson FLHX Street Glide
- 2021 Harley-Davidson FLHX Street Glide
- 2018 Harley-Davidson FLHX Street Glide
- 2022 Harley-Davidson FLHX Street Glide
- 2023 Harley-Davidson FLHX Street Glide
- 2019 Harley-Davidson FLHX Street Glide
- 2017 Harley-Davidson FLHX Street Glide
- 2017 Harley-Davidson FLRT Freewheeler
- 2018 Harley-Davidson FLRT Freewheeler
- 2021 Harley-Davidson FLSB Sport Glide 107
- 2020 Harley-Davidson FLSB Sport Glide 107
- 2018 Harley-Davidson FLSB Sport Glide 107
- 2019 Harley-Davidson FLSB Sport Glide 107
- 2022 Harley-Davidson FLSB Sport Glide 107
- 2024 Harley-Davidson FLSB Sport Glide 107
- 2023 Harley-Davidson FLSB Sport Glide 107
- 2019 Harley-Davidson FLTRX Road Glide
- 2021 Harley-Davidson FLTRX Road Glide
- 2018 Harley-Davidson FLTRX Road Glide
- 2020 Harley-Davidson FLTRX Road Glide
- 2017 Harley-Davidson FLTRX Road Glide
- 2022 Harley-Davidson FLTRX Road Glide
- 2023 Harley-Davidson FLTRX Road Glide
- 2019 Harley-Davidson FLFB Fat Boy 107
- 2018 Harley-Davidson FLFB Fat Boy 107
- 2020 Harley-Davidson FLFB Fat Boy 107
- 2018 Harley-Davidson FLHTCU Electra Glide Ultra Classic
- 2019 Harley-Davidson FLHTCU Electra Glide Ultra Classic
- 2017 Harley-Davidson FLHTCU Electra Glide Ultra Classic
- 2019 Harley-Davidson FXBR Breakout 107
- 2018 Harley-Davidson FXBR Breakout 107
- 2018 Harley-Davidson FLHTKL Ultra Limited Low
- 2017 Harley-Davidson FLHTKL Ultra Limited Low
- 2019 Harley-Davidson FLHTKL Ultra Limited Low
- 2021 Harley-Davidson FLSL Softail Slim 107
- 2018 Harley-Davidson FLSL Softail Slim 107
- 2020 Harley-Davidson FLSL Softail Slim 107
- 2019 Harley-Davidson FLSL Softail Slim 107
- 2019 Harley-Davidson FXBB Street Bob 107
- 2018 Harley-Davidson FXBB Street Bob 107
- 2020 Harley-Davidson FXBB Street Bob 107
- 2018 Harley-Davidson FXFB Fat Bob 107
- 2020 Harley-Davidson FXFB Fat Bob 107
- 2019 Harley-Davidson FXFB Fat Bob 107
- 2018 Harley-Davidson FXLR Low Rider 107
- 2020 Harley-Davidson FXLR Low Rider 107
- 2019 Harley-Davidson FXLR Low Rider 107
- 2020 Harley-Davidson FXST Softail Standard 107
- 2024 Harley-Davidson FXST Softail Standard 107
- 2021 Harley-Davidson FXST Softail Standard 107
- 2022 Harley-Davidson FXST Softail Standard 107
- 2023 Harley-Davidson FXST Softail Standard 107
- 2019 Harley-Davidson FLTRU Road Glide Ultra
- 2017 Harley-Davidson FLTRU Road Glide Ultra
- 2018 Harley-Davidson FLTRU Road Glide Ultra
- 2018 Harley-Davidson FLDE Deluxe 107
- 2020 Harley-Davidson FLDE Deluxe 107
- 2019 Harley-Davidson FLDE Deluxe 107
- 2017 Harley-Davidson FLHTCUTG Tri Glide Ultra
- 2018 Harley-Davidson FLHTCUTG Tri Glide Ultra
Yes
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