20-21215 KPMI, .550" high lift valve spring kit. Steel
Fits: 18-24 Softail; 17-24 FLT/Touring; 1…
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Specifications
- Brand
- Kibblewhite
- Part Number
- 20-21215
- OEM Reference
- —
- Pack Quantity
- Sold as kit
- Category
- Valve Springs
- VAT Rate
- 20%
About This Product
For those building a high-performance Milwaukee-Eight engine, this Kibblewhite valve spring kit is a vital upgrade. Designed for up to .550-inch valve lift, the kit includes chrome silicone Beehive-style springs, steel top collars, and KPMI signature red Viton valve seals. These are compatible with standard 6mm valve stems and fit 2018 to 2024 Softail models as well as 2017 to 2024 Touring and Trike models. With an installed pressure of 85 lbs and 257 lbs at full lift, they provide the stability needed for aggressive cam profiles. This kit allows you to reuse your OEM valve keys and is sold as a complete kit.
Manufacturer part number: 20-21215.
Fitment
23 models18-24 Softail; 17-24 FLT/Touring; 17-24 Trikes
Softail 19 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2018 | Breakout 114 Anniversary FXBRS |
| Harley-Davidson | 2018–2022 | Breakout 114 FXBRS |
| Harley-Davidson | 2023–2024 | Breakout FXBR |
| Harley-Davidson | 2018–2020 | Deluxe FLDE |
| Harley-Davidson | 2018–2024 | Fat Bob 114 FXFBS |
| Harley-Davidson | 2018–2020 | Fat Bob FXFB |
| Harley-Davidson | 2018 | Fat Boy 114 Anniversary FLFBS |
| Harley-Davidson | 2018–2024 | Fat Boy 114 FLFBS |
| Harley-Davidson | 2018–2020 | Fat Boy FLFB |
| Harley-Davidson | 2018 | Heritage Classic 114 Anniversary FLHCS |
| Harley-Davidson | 2018–2024 | Heritage Classic 114 FLHCS |
| Harley-Davidson | 2018–2021 | Heritage Classic FLHC |
| Harley-Davidson | 2020–2022 | Low Rider S FXLRS |
| Harley-Davidson | 2023 | Low Rider ST FXLRST |
| Harley-Davidson | 2018–2021 | Slim FLSL |
| Harley-Davidson | 2019–2020 | Softail Slim FLSL |
| Harley-Davidson | 2018–2024 | Sport Glide FLSB |
| Harley-Davidson | 2021–2024 | Street Bob 114 FXBBS |
| Harley-Davidson | 2018–2020 | Street Bob FXBB |
Trike 4 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2017–2024 | Freewheeler FLRT |
| Harley-Davidson | 2023–2024 | Road Glide 3 FLTRT |
| Harley-Davidson | 2018 | Tri Glide Ultra Anniversary FLHTCUTG |
| Harley-Davidson | 2017–2024 | Tri Glide Ultra FLHTCUTG |
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