New to Powersport Superstore? Try our Year-Make-Model search and find the right parts for your ride by clicking "My Garage" on the upper-right! ➡

Progressive Suspension 31-2500 Monotube Fork Cartridge Kit

SKU: 4079336

Progressive Suspension 31-2500 Monotube Fork Cartridge Kit

Progressive Suspension
$505.95
$505.95
Sale Sold out
/
Shipping calculated at checkout.
In stock and ready for shipping
This is a pre order item. We will ship it when it comes in stock.
Converts dual damper rod and damper rod/cartridge forks to high-performance cartridge forks. Contains a pair of high-performance, gas-charged mono-tube fork cartridges. Improves resistance to front brake dive, front end stability, cornering and bottoming control. Add direct internal component replacement. No modification for forks required. Made in the USA.

Vehicle Fitment:

1997-2013 Harley Davidson FLHR Road King
2007-2013 Harley Davidson FLHRC Road King Classic
1998-2006 Harley Davidson FLHRCI Road King Classic
1997 Harley Davidson FLHRI Road King
2000-2006 Harley Davidson FLHRI Road King
2004-2007 Harley Davidson FLHRS Road King Custom
2004-2006 Harley Davidson FLHRSI Road King Custom
1997-2009 Harley Davidson FLHT Electra Glide Standard
1997-2005 Harley Davidson FLHTC Electra Glide Classic
2007-2013 Harley Davidson FLHTC Electra Glide Classic
1997-2006 Harley Davidson FLHTCI Electra Glide Classic
1997 Harley Davidson FLHTCU Electra Glide Ultra Classic
2007-2013 Harley Davidson FLHTCU Electra Glide Ultra Classic
1997-2006 Harley Davidson FLHTCUI Electra Glide Ultra Classic
2003-2006 Harley Davidson FLHTI Electra Glide Standard
2010-2013 Harley Davidson FLHTK Electra Glide Ultra Limited
2006-2013 Harley Davidson FLHX Street Glide
2006 Harley Davidson FLHXI Street Glide
1998-2002 Harley Davidson FLTR Road Glide
2007-2009 Harley Davidson FLTR Road Glide
1998-2006 Harley Davidson FLTRI Road Glide
2011-2012 Harley Davidson FLTRU Road Glide Ultra
2010-2012 Harley Davidson FLTRX Road Glide Custom
Secure, Trusted, and Encrypted

Protected by industry-leading 256-bit SSL encryption and backed by Shopify’s PCI DSS–compliant infrastructure. Every page, click, and transaction is encrypted and monitored for threats — so you can shop with confidence knowing your data stays protected.

Parts for Every Machine

We stock aftermarket parts, gear and accessories for motorcycles, ATVs, UTVs, snowmobiles, personal watercraft, and even performance cars — all backed by expert support and live inventory.

Real-Time Fitment Accuracy

Search by Year, Make, and Model with confidence. Our proprietary vehicle fitment system ensures you’re only shown what fits — no guesswork, no returns — just parts that fit.

Fast, Trackable Shipping

We ship from over 20 U.S. warehouses — often same or next business day. Every order includes tracking and transparent fulfillment updates from start to finish, all processed through a secure, encrypted checkout.

Quick Links

Ride With Us. Stay Connected.

Follow us for real-time fitment updates, gear drops, and pro tips from the garage. No spam, just parts, tech, and news for riders like you.

Your Garage

Add a Vehicle