31-2503 PS, symmetrical fork monotube cartridge kit. Std. height
incl. VAT
Chapter members save 12% · Sign in for member pricing
Estimated delivery: 3–15 working days
Authorised
Iron City Dealer
14-Day Returns
Easy & hassle-free
Secure Checkout
256-bit encryption
Free UK Delivery
On orders over £100
Specifications
- Brand
- Progressive Suspension
- Part Number
- 31-2503
- OEM Reference
- —
- Pack Quantity
- Sold as kit
- Category
- Fork Springs
- VAT Rate
- 20%
About This Product
Spring rate and damping is pre-set. This symmetrical Progressive Suspension monotube fork spring kit requires no modification to forks; but offers true high performance front suspension with improved stability in cornering and better road holding. Features a set of gas charged Monotube damper cartridges and a set of custom tuned fork springs. Comes as a complete replacement kit including all internal fork components; apart from the fork tubes and oil.
Manufacturer part number: 31-2503.
Fitment
5 models00-15 FXST
Softail 5 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2000–2009 | Night Train FXSTB |
| Harley-Davidson | 2001–2006 | Night Train FXSTBI |
| Harley-Davidson | 2007–2010 | Softail Custom FXSTC |
| Harley-Davidson | 2000–2015 | Softail Standard FXST |
| Harley-Davidson | 2001–2006 | Softail Standard FXSTI |
Planning other changes? Find your model in the bike customiser.
Related Products
View all →
MCS
Lock nut, cartridge front fork
MCS
Rebound spring, 41mm fork tubes
MCS
Washer, spring monotube shock front fork
MCS
Seat, cartridge front fork
Bitubo
MX fork spring kit JBH. K 0.65
Bitubo
Fork spring kit Breakout. K=0.7 + 2 lt. oil
Progressive Suspension
PS, symmetrical fork monotube cartridge kit. Lowered height
Progressive Suspension
PS fork spring kit heavy duty, 41mm
More from Progressive Suspension
View all →
PS, Model 412 shock set. 13". STD Duty. Black
PS, 412 series shock set. 11.5". STD Duty. Chrome
PS, 412 series shock set. 12". STD duty. Chrome
PS, 412 series shock set. 13". STD/Duty. Black
PS, 412 series shock set. 13.5". STD/Heavy Duty. Black
PS, 412 series shock set. 12.5". STD Duty. Black
PS, 430 series shock set. 11". STD Duty. Black
PS, 412 series shock set. 11.5". Heavy Duty. Black
Who are we? Leeds Harley-Davidson - Iron City Motorcycles
This product is fulfilled by Iron City Motorcycles, Leeds' authorised Harley-Davidson® dealer, serving the UK with a full range of Genuine Motorclothes®, dealer merchandise, and official Harley-Davidson parts & accessories — available for UK and international delivery.
From OEM Parts to retro lifestyle wear to aftermarket stockits we have what you need to keep you riding all year round.
Use our official OEM parts finder to browse our full Genuine Harley-Davidson® Parts and our associated approved aftermarket catalogues.