KB542LCA.020 M8 114/117 to 120" big bore conv. piston set. +.020"
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Specifications
- Brand
- KB Performance Piston
- Part Number
- KB542LCA.020
- OEM Reference
- —
- Pack Quantity
- Sold as kit
- Category
- Piston Kits
- VAT Rate
- 20%
About This Product
This KB Performance Piston kit is a high-performance solution for Milwaukee-Eight 114 and 117 cubic inch engines looking to step up to a 120-inch big bore. These forged pistons feature a +.020" oversize and are designed for cylinders bored to 4.125 inches. A standout feature is the Line2Line abradable powder coating, which allows for zero-tolerance installation; the pistons effectively wear in to a perfect fit during the initial run-in. This ensures maximum ring seal and eliminates piston rock. With a 10.9:1 compression ratio and hard-anodized crowns to resist heat, these pistons are built for serious power. Sold as a set, they maintain OEM weight to avoid the need for flywheel rebalancing.
Manufacturer part number: KB542LCA.020.
Fitment
38 models17-25 114" M8
Softail 20 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2018 | Breakout 114 Anniversary FXBRS |
| Harley-Davidson | 2018–2022 | Breakout 114 FXBRS |
| Harley-Davidson | 2018–2023 | Breakout FXBR |
| Harley-Davidson | 2018–2020 | Deluxe FLDE |
| Harley-Davidson | 2018–2023 | Fat Bob 114 FXFBS |
| Harley-Davidson | 2018–2020 | Fat Bob FXFB |
| Harley-Davidson | 2018 | Fat Boy 114 Anniversary FLFBS |
| Harley-Davidson | 2018–2023 | Fat Boy 114 FLFBS |
| Harley-Davidson | 2018–2020 | Fat Boy FLFB |
| Harley-Davidson | 2019–2020 | FXDR 114 FXDRS |
| Harley-Davidson | 2018 | Heritage Classic 114 Anniversary FLHCS |
| Harley-Davidson | 2018–2023 | Heritage Classic 114 FLHCS |
| Harley-Davidson | 2018–2021 | Heritage Classic FLHC |
| Harley-Davidson | 2020–2023 | Low Rider S FXLRS |
| Harley-Davidson | 2022–2023 | Low Rider ST FXLRST |
| Harley-Davidson | 2018–2021 | Slim FLSL |
| Harley-Davidson | 2019–2020 | Softail Slim FLSL |
| Harley-Davidson | 2018–2023 | Sport Glide FLSB |
| Harley-Davidson | 2021–2023 | Street Bob 114 FXBBS |
| Harley-Davidson | 2018–2020 | Street Bob FXBB |
Touring 15 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2017–2019 | Electra Glide Ultra Classic FLHTCU |
| Harley-Davidson | 2017–2023 | Road Glide FLTRX |
| Harley-Davidson | 2021–2023 | Road Glide Limited FLTRK |
| Harley-Davidson | 2017–2023 | Road Glide Special FLTRXS |
| Harley-Davidson | 2017–2019 | Road King Classic FLHRC |
| Harley-Davidson | 2017–2022 | Road King FLHR |
| Harley-Davidson | 2017–2023 | Road King Special FLHRXS |
| Harley-Davidson | 2018 | Street Glide Anniversary FLHX |
| Harley-Davidson | 2017–2023 | Street Glide FLHX |
| Harley-Davidson | 2018 | Street Glide Special Anniversary FLHXS |
| Harley-Davidson | 2017–2023 | Street Glide Special FLHXS |
| Harley-Davidson | 2018 | Ultra Limited Anniversary FLHTK |
| Harley-Davidson | 2017–2023 | Ultra Limited FLHTK |
| Harley-Davidson | 2018–2023 | Ultra Limited Shrine Edition FLHTK |
| Harley-Davidson | 2017 | Ultra Limited Shrine FLHTK |
Trike 3 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2017–2023 | Freewheeler FLRT |
| Harley-Davidson | 2018 | Tri Glide Ultra Anniversary FLHTCUTG |
| Harley-Davidson | 2017–2023 | Tri Glide Ultra FLHTCUTG |
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