JE Pistons Piston Kit - 4.125" Bore - 4.375" Stroke - 11.5:1 CR - 114" M8
JE Pistons
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Product Details
JE Pistons Piston Kit - 4.125" Bore - 4.375" Stroke - 11.5:1 CR - 114" M8. Fits 39 Harley-Davidson models from 2017 to 2025, including the Electra Glide Police FLHTPI, FLFBS Fat Boy 114 and FLH Electra Glide Revival. Manufacturer part number 398729.
Features
- 2618-T6 forged construction provides better aligned grain flow and higher tensile strength to provide durability, even in high-performance builds
- Skirt coating reduces opertating 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
Specifications
- UPC
- 193564567376
- Vendor Part Number
- 398729
- Package Height
- 5.47
- Package Length
- 10.67
- Package Width
- 5.91
- Parts Unlimited #
- 0910-6991
- Bore Size Imperial
- 4.125"
- Brand
- JE Pistons
- Compression Ratio
- 11.5:1
- Displacement
- 114"
- Piston Material
- Forged 2618 Aluminum
- Riding Style
- Street
- Stroke Length (in)
- 4.375"
- Unit of Measure
- Kit
Fitment
39 vehicles| Year | Make | Make / Model Model |
|---|---|---|
| 2017 - 2025 | Harley-Davidson |
Harley-Davidson Electra Glide Police FLHTPI Electra Glide Police FLHTPI |
| 2018 - 2024 | Harley-Davidson |
Harley-Davidson FLFBS Fat Boy 114 FLFBS Fat Boy 114 |
| 2021 | Harley-Davidson |
Harley-Davidson FLH Electra Glide Revival FLH Electra Glide Revival |
| 2018 - 2024 | Harley-Davidson |
Harley-Davidson FLHCS Heritage Classic 114 FLHCS Heritage Classic 114 |
| 2023 | Harley-Davidson |
Harley-Davidson FLHFB Electra Glide Highway King FLHFB Electra Glide Highway King |
| 2017 - 2022 | Harley-Davidson |
Harley-Davidson FLHR Road King FLHR Road King |
| 2017 - 2025 | Harley-Davidson |
Harley-Davidson FLHRXS Road King Special FLHRXS Road King Special |
| 2019 - 2022 | Harley-Davidson |
Harley-Davidson FLHT Electra Glide Standard FLHT Electra Glide Standard |
| 2017 - 2019 | Harley-Davidson |
Harley-Davidson FLHTCU Electra Glide Ultra Classic FLHTCU Electra Glide Ultra Classic |
| 2017 - 2025 | Harley-Davidson |
Harley-Davidson FLHTCUTG Tri Glide Ultra FLHTCUTG Tri Glide Ultra |
| 2022 | Harley-Davidson |
Harley-Davidson FLHTCUTG Tri Glide Ultra G.I. FLHTCUTG Tri Glide Ultra G.I. |
| 2020 - 2022 | Harley-Davidson |
Harley-Davidson FLHTCUTGSE CVO Tri Glide FLHTCUTGSE CVO Tri Glide |
| 2017 - 2024 | Harley-Davidson |
Harley-Davidson FLHTK Ultra Limited FLHTK Ultra Limited |
| 2017 - 2019 | Harley-Davidson |
Harley-Davidson FLHTKL Ultra Limited Low FLHTKL Ultra Limited Low |
| 2017 - 2021 | Harley-Davidson |
Harley-Davidson FLHTKSE CVO Limited FLHTKSE CVO Limited |
| 2017 - 2025 | Harley-Davidson |
Harley-Davidson FLHX Street Glide FLHX Street Glide |
| 2017 - 2023 | Harley-Davidson |
Harley-Davidson FLHXS Street Glide Special FLHXS Street Glide Special |
| 2017 | Harley-Davidson |
Harley-Davidson FLHXSE CVO Street Glide FLHXSE CVO Street Glide |
| 2022 - 2023 | Harley-Davidson |
Harley-Davidson FLHXST Street Glide ST FLHXST Street Glide ST |
| 2024 | Harley-Davidson |
Harley-Davidson FLI Hydra-Glide Revival FLI Hydra-Glide Revival |
| 2017 - 2025 | Harley-Davidson |
Harley-Davidson FLRT Freewheeler FLRT Freewheeler |
| 2020 - 2024 | Harley-Davidson |
Harley-Davidson FLTRK Road Glide Limited FLTRK Road Glide Limited |
| 2022 - 2023 | Harley-Davidson |
Harley-Davidson FLTRKSE CVO Road Glide Limited FLTRKSE CVO Road Glide Limited |
| 2023 - 2025 | Harley-Davidson |
Harley-Davidson FLTRT Road Glide 3 FLTRT Road Glide 3 |
| 2017 - 2019 | Harley-Davidson |
Harley-Davidson FLTRU Road Glide Ultra FLTRU Road Glide Ultra |
| 2017 - 2024 | Harley-Davidson |
Harley-Davidson FLTRX Road Glide FLTRX Road Glide |
| 2017 - 2023 | Harley-Davidson |
Harley-Davidson FLTRXS Road Glide Special FLTRXS Road Glide Special |
| 2022 - 2023 | Harley-Davidson |
Harley-Davidson FLTRXST Road Glide ST FLTRXST Road Glide ST |
| 2021 - 2024 | Harley-Davidson |
Harley-Davidson FXBBS Street Bob 114 FXBBS Street Bob 114 |
| 2018 - 2020 | Harley-Davidson |
Harley-Davidson FXBRS Breakout 114 FXBRS Breakout 114 |
| 2019 - 2020 | Harley-Davidson |
Harley-Davidson FXDRS FXDR 114 FXDRS FXDR 114 |
| 2018 - 2023 | Harley-Davidson |
Harley-Davidson FXFBS Fat Bob 114 FXFBS Fat Bob 114 |
| 2020 - 2021 | Harley-Davidson |
Harley-Davidson FXLRS Low Rider S 114 FXLRS Low Rider S 114 |
| 2025 | Harley-Davidson |
Harley-Davidson Freewheeler FLRT Freewheeler FLRT |
| 2025 | Harley-Davidson |
Harley-Davidson Road Glide 3 FLTRT Road Glide 3 FLTRT |
| 2024 | Harley-Davidson |
Harley-Davidson Road Glide Police FLTRXP Road Glide Police FLTRXP |
| 2017 - 2025 | Harley-Davidson |
Harley-Davidson Road King Police FLHP Road King Police FLHP |
| 2022 | Harley-Davidson |
Harley-Davidson Softail Street Bob FXBB Softail Street Bob FXBB |
| 2025 | Harley-Davidson |
Harley-Davidson Tri Glide Ultra Classic FLHTCUTG Tri Glide Ultra Classic FLHTCUTG |
Fitment Disclosure
For reference only, please consult your owner’s manual to confirm your fitment.
General Safety Warning
Failure to follow the manufacturer's recommendations and requirements can cause product failure resulting in serious injury or death. While effort has been taken to collect accurate fitment information, 43 Moto accepts no liability for loss or damage resulting from errors or omissions. If you believe any of the information provided is erroneous, please email [email protected].
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