Progressive Suspension Monotube Fork Cartridge Kit 31-2501 For Parts OnlyThis listing is for a Progressive Suspension Monotube Fork Cartridge Kit Lowering model #31 2501, offered for parts only. The kit is incomplete and ideal for replacement components, rebuilds, or anyone needing spare parts for an existing monotube setup. These kits are designed to deliver superior front end control and performance compared to conventional fork setups, but please note this set is not complete and not ready for installation. Product

Fits 1990 and newer Harley-Davidson models with Keihin CV carburetors

Excellent base for restoration or refurbishment

The JT Sprockets JTF1372

Fits Harley-Davidson Shovelhead FL & FX models 1966–1984

Model-Specific Fit: Engineered for seamless integration with 1999–2001 Kawasaki Vulcan VN1500 Nomad models

Brand: Sharkroad

Condition: Good condition – light signs of use

Used vintage part — shows normal wear consistent with age

GSX-R600: 2009–2018

Suzuki RMX450Z (2010–2019)

Rare to find as a set

Compatibility (verify with Harley service manual before purchase):