JE Pistons
JE Pistons Ultra Series Piston Kit 4.310" 11.25:1 CR 114"/117" M8 - 394100 For Harley Motorcycles 2018-2026
MPN:
394100
SKU:
0910-6860
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JE Pistons
JE Pistons Ultra Series Piston Kit 4.310" 11.25:1 CR 114"/117" M8 - 394100 For Harley Motorcycles 2018-2026
MPN:
394100
SKU:
0910-6860
SKU:
0910-6860
Propriety aligned grain flow forging technology for maximum tensile strength suited for high performance enviroment
Cermic crown coating protects the piston by reducing heat transfer
Internal and external bracing maintains optimized strength-to-weight ratio for longevity
3D undercrown milling in non-critical areas reduces overall weight
Lateral gas ports and accumulator groove maintain power-producing ring seal even at high RPM and high boost
Skirt coating reduces operating friction and wear throughout the life of piston
Offset pin reduces piston rock and minimize engine operating noise
Skirt notches for optimal clearance at the bottom dead center
Kit includes two pistons, premium ring pack, wrist pins and wire locks
Specs
Units
Kit
Bore Size
4.310"
Piston Head Shape
Dished
Stroke Length
4.500"
Bore - Oversize
+0,060"
Bore Oversize
+0.060"
Product Name
Piston Kit
Riding Style
Street
Compression Ratio
11.25:1
Model
Ultra Series
Piston Material
Forged 2618 Aluminum
Part Notes
Kit Includes:
• 2x Ultra Series Pistons
• 2x Wrist Pins
• 2x Ring Sets
• 2x Wire Locks
2018-2021
Harley-Davidson
CVO Electra Glide Ultra Limited FLHTKSE
2018-2022
Harley-Davidson
CVO Road Glide FLTRXSE
2018-2022
Harley-Davidson
CVO Street Glide FLHXSE
2020-2022
Harley-Davidson
CVO Tri Glide FLHTCUTGSE
2022-2023
Harley-Davidson
CVO Road Glide Limited FLTRKSE
2022-2023
Harley-Davidson
Road Glide ST FLTRXST
2022
Harley-Davidson
Softail Low Rider El Diablo FXRST
2022-2023
Harley-Davidson
Street Glide ST FLHXST
2023-2024
Harley-Davidson
Softail Breakout FXBR
2023-2024
Harley-Davidson
Softail Low Rider S FXLRS
2023-2024
Harley-Davidson
Softail Low Rider ST FXLRST
2024-2026
Harley-Davidson
Road Glide FLTRX/FLTRXS
2024-2026
Harley-Davidson
Street Glide FLHX/FLHXS
Fitment DisclosureThis quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.
Regular price
$729.99
Unit price
Shipping calculated at checkout.
Product Details
Features
- Propriety aligned grain flow forging technology for maximum tensile strength suited for high performance enviroment
- Cermic crown coating protects the piston by reducing heat transfer
- Internal and external bracing maintains optimized strength-to-weight ratio for longevity
- 3D undercrown milling in non-critical areas reduces overall weight
- Lateral gas ports and accumulator groove maintain power-producing ring seal even at high RPM and high boost
- Skirt coating reduces operating friction and wear throughout the life of piston
- Offset pin reduces piston rock and minimize engine operating noise
- Skirt notches for optimal clearance at the bottom dead center
- Kit includes two pistons, premium ring pack, wrist pins and wire locks
Specs
| Units | Kit |
| Bore Size | 4.310" |
| Piston Head Shape | Dished |
| Stroke Length | 4.500" |
| Bore - Oversize | +0,060" |
| Bore Oversize | +0.060" |
| Product Name | Piston Kit |
| Riding Style | Street |
| Compression Ratio | 11.25:1 |
| Model | Ultra Series |
| Piston Material | Forged 2618 Aluminum |
Part Notes
- Kit Includes:
- • 2x Ultra Series Pistons
- • 2x Wrist Pins
- • 2x Ring Sets
- • 2x Wire Locks
| 2018-2021 | Harley-Davidson | CVO Electra Glide Ultra Limited FLHTKSE |
| 2018-2022 | Harley-Davidson | CVO Road Glide FLTRXSE |
| 2018-2022 | Harley-Davidson | CVO Street Glide FLHXSE |
| 2020-2022 | Harley-Davidson | CVO Tri Glide FLHTCUTGSE |
| 2022-2023 | Harley-Davidson | CVO Road Glide Limited FLTRKSE |
| 2022-2023 | Harley-Davidson | Road Glide ST FLTRXST |
| 2022 | Harley-Davidson | Softail Low Rider El Diablo FXRST |
| 2022-2023 | Harley-Davidson | Street Glide ST FLHXST |
| 2023-2024 | Harley-Davidson | Softail Breakout FXBR |
| 2023-2024 | Harley-Davidson | Softail Low Rider S FXLRS |
| 2023-2024 | Harley-Davidson | Softail Low Rider ST FXLRST |
| 2024-2026 | Harley-Davidson | Road Glide FLTRX/FLTRXS |
| 2024-2026 | Harley-Davidson | Street Glide FLHX/FLHXS |
Fitment Disclosure
This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.Product Description
Features
- Propriety aligned grain flow forging technology for maximum tensile strength suited for high performance enviroment
- Cermic crown coating protects the piston by reducing heat transfer
- Internal and external bracing maintains optimized strength-to-weight ratio for longevity
- 3D undercrown milling in non-critical areas reduces overall weight
- Lateral gas ports and accumulator groove maintain power-producing ring seal even at high RPM and high boost
- Skirt coating reduces operating friction and wear throughout the life of piston
- Offset pin reduces piston rock and minimize engine operating noise
- Skirt notches for optimal clearance at the bottom dead center
- Kit includes two pistons, premium ring pack, wrist pins and wire locks
Specs
| Units | Kit |
| Bore Size | 4.310" |
| Piston Head Shape | Dished |
| Stroke Length | 4.500" |
| Bore - Oversize | +0,060" |
| Bore Oversize | +0.060" |
| Product Name | Piston Kit |
| Riding Style | Street |
| Compression Ratio | 11.25:1 |
| Model | Ultra Series |
| Piston Material | Forged 2618 Aluminum |
Part Notes
- Kit Includes:
- • 2x Ultra Series Pistons
- • 2x Wrist Pins
- • 2x Ring Sets
- • 2x Wire Locks
| 2018-2021 | Harley-Davidson | CVO Electra Glide Ultra Limited FLHTKSE |
| 2018-2022 | Harley-Davidson | CVO Road Glide FLTRXSE |
| 2018-2022 | Harley-Davidson | CVO Street Glide FLHXSE |
| 2020-2022 | Harley-Davidson | CVO Tri Glide FLHTCUTGSE |
| 2022-2023 | Harley-Davidson | CVO Road Glide Limited FLTRKSE |
| 2022-2023 | Harley-Davidson | Road Glide ST FLTRXST |
| 2022 | Harley-Davidson | Softail Low Rider El Diablo FXRST |
| 2022-2023 | Harley-Davidson | Street Glide ST FLHXST |
| 2023-2024 | Harley-Davidson | Softail Breakout FXBR |
| 2023-2024 | Harley-Davidson | Softail Low Rider S FXLRS |
| 2023-2024 | Harley-Davidson | Softail Low Rider ST FXLRST |
| 2024-2026 | Harley-Davidson | Road Glide FLTRX/FLTRXS |
| 2024-2026 | Harley-Davidson | Street Glide FLHX/FLHXS |
Fitment Disclosure
This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.Part Numbers
| Store SKU | MFR. Product # | Availability |
|---|---|---|
| 0910-6860 | 394100 | In Stock |
Fitment
This product is vehicle specific.
Select your vehicle to confirm fitment.
This Product Fits
Fitment Disclosure
This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.
Customer Reviews
JE Pistons Ultra Series Piston Kit 4.310" 11.25:1 CR 114"...
Regular price
$729.99
Unit price
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