31-4007 Progressive Suspension FST fork monotube cartridge kit. Lowered height for Harley-Davidson
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Iron City Dealer
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Specifications
- Brand
- Progressive Suspension
- Part Number
- 31-4007
- OEM Reference
- —
- Pack Quantity
- Sold as kit
- Category
- Fork Springs
- VAT Rate
- 20%
About This Product
Asymmetrical monotube damper kit with FST dampers. Spring rate and damping is pre-set. No modification to forks required. This true high performance Progressive Suspension asymmetrical monotube fork kit that features a set of gas charged road smoothing Frequency Sensing Technology (FST) dampers and custom tuned progressive rate fork springs. Offers better road holding; better resistance to front brake dive; less susceptibility to bottoming out and improved stability in cornering. Comes as a complete replacement kit including all internal fork components; apart from the fork tubes and oil. Note: Available in a standard and lowered height. See 563167 for standard height.
Manufacturer part number: 31-4007.
Fitment
33 models17-26 FLT/Touring (excl. 17-23FLHTKL; 23-26 CVO Touring with inverted forks)
CVO/Custom 6 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2017 | CVO Limited FLHTKSE |
| Harley-Davidson | 2022 | CVO Road Glide Limited FLTRKSE |
| Harley-Davidson | 2023 | CVO Road Glide Ltd Anniversary FLTRKSEANV |
| Harley-Davidson | 2017–2022 | CVO Street Glide FLHXSE |
| Harley-Davidson | 2018 | CVO Ultra Limited Anniversary FLHTKSE |
| Harley-Davidson | 2018–2021 | CVO Ultra Limited FLHTKSE |
Police 5 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2017–2020 | Electra Glide Standard Police FLHTP |
| Harley-Davidson | 2025 | Police Electra Glide FLHTP |
| Harley-Davidson | 2021–2024 | Police Electra Glide FLHTP |
| Harley-Davidson | 2025 | Police Road Glide FLTRXP |
| Harley-Davidson | 2024 | Police Road Glide FLTRXP |
Touring 22 models
Planning other changes? Find your model in the bike customiser.
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Who are we? Leeds Harley-Davidson - Iron City Motorcycles
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