KB Performance Piston Kit - 4.125" +0.020" - 11.0:1 CR - 114"/117" Bored to 120" - M8
KB Performance
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Product Details
KB Performance Piston Kit - 4.125" +0.020" - 11.0:1 CR - 114"/117" Bored to 120" - M8. Fits 28 Harley-Davidson models from 2017 to 2024, including the Electra Glide Police FLHTPI, FLFBS Fat Boy 114 and FLH Electra Glide Revival. Manufacturer part number KB542LCA020.
Features
- Super Duty Series includes:
- Anodized top ring groove and crown
- Line2Line abradable skirt coating applied to .003" total thickness for a zero initial fit to allow coating to hone in for a tight quiet running clearance
- Round wire locks
- Steel nitride top ring with a Ductile Napier second
- Forced wrist pin oiling
- Flat Top 1.2cc
- Compression Height 1.083"
- Factory 117" Cylinders can safely be bored to 4.125" through 4.165"
- Valve pockets sized to accommodate 1mm oversize valves
Specifications
- UPC
- 800745256713
- Vendor Part Number
- KB542LCA020
- Package Height
- 5.5
- Package Length
- 5.5
- Package Width
- 5.51
- Parts Unlimited #
- 0910-5726
- Bore - Oversize
- +0,020"
- Bore Oversize (in)
- +0.020"
- Bore Size (in)
- 4.125"
- Brand
- KB Performance
- Compression Ratio
- 11.0:1
- Displacement
- 120"
- Model
- Super Duty
- Piston Head Shape
- Flat Top
- Piston Material
- 4032 Aluminum Alloy
- Riding Style
- Street
- Stroke Length (in)
- 4.500"
- Style
- Forged
- Unit of Measure
- Kit
Fitment
28 vehicles| Year | Make | Make / Model Model |
|---|---|---|
| 2017 - 2024 | 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 |
| 2017 - 2022 | Harley-Davidson |
Harley-Davidson FLHR Road King FLHR Road King |
| 2017 - 2024 | 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 - 2024 | 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. |
| 2017 - 2021 | 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 - 2024 | 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 - 2021 | Harley-Davidson |
Harley-Davidson FLRT Freewheeler FLRT Freewheeler |
| 2020 - 2021 | Harley-Davidson |
Harley-Davidson FLTRK Road Glide Limited FLTRK Road Glide Limited |
| 2017 - 2019 | Harley-Davidson |
Harley-Davidson FLTRU Road Glide Ultra FLTRU Road Glide Ultra |
| 2017 - 2021 | Harley-Davidson |
Harley-Davidson FLTRX Road Glide FLTRX Road Glide |
| 2017 - 2021 | Harley-Davidson |
Harley-Davidson FLTRXS Road Glide Special FLTRXS Road Glide Special |
| 2021 - 2024 | Harley-Davidson |
Harley-Davidson FXBBS Street Bob 114 FXBBS Street Bob 114 |
| 2023 - 2024 | Harley-Davidson |
Harley-Davidson FXBR Breakout 117 FXBR Breakout 117 |
| 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 - 2021 | 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 |
| 2022 - 2024 | Harley-Davidson |
Harley-Davidson FXLRS Low Rider S 117 FXLRS Low Rider S 117 |
| 2022 - 2024 | Harley-Davidson |
Harley-Davidson FXLRST Low Rider ST 117 FXLRST Low Rider ST 117 |
| 2017 - 2021 | Harley-Davidson |
Harley-Davidson Road King Police FLHP Road King Police FLHP |
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].