All YSS products have ISO and ABE certification from German regulation authority TUV

Note: This Fork Spring & PD Valve Kit may require trimming\mods to the OEM spring spacer tube when installing

YSS Fork Spring & PD Valve Kits are the perfect low-cost performance upgrade to improve harshness and bottoming problems common with damping rod forks.

Features of YSS Fork Spring & PD Valve Kit:

• YSS Linear fork springs (pair) and PD Valves (pair) with ABE
• Significantly improves ride quality
• PD valves are adjustable and tuneable to desired application
• PD Valves give the progressive feeling of cartridge forks
• Easy self-installation
• Springs are made from silicon spring steel reducing wire thickness for a positive effect on the spring properties and avoiding torsion of the spring
• Sold as a set