These heavy-duty Hayabusa clutch cushion replacement springs are engineered to handle the most demanding drag and land speed racing applications. By increasing clutch pressure, they reduce clutch wear while improving acceleration and top-end performance.
FEATURES
- Direct replacement springs for Hayabusa Clutch Cushion Kits (1999–2020)
- Optimized for use with Brock’s adjustable spring tops
- Rated at 120 lbs. static pressure @ 1.00” installed height
- Proven in Real Street, Grudge, and extreme hand-clutch racing applications
- Delivers quicker acceleration, extended clutch life, and higher MPH
- Manufactured from valve-spring quality material, shot-peened and stress-relieved for maximum durability
- Designed for millions of trouble-free cycles under severe racing conditions
- Includes six extra heavy-duty green springs (.120” wire diameter)
- Springs are sold in sets of six
FITMENT – IMPORTANT INFORMATION BEFORE ORDERING
- Do not use with Ultra Mod spacers in early Hayabusa applications.
- These springs replace stock springs and Ultra Mod spacers when used with the Hayabusa Clutch Cushion but are not compatible with stock Hayabusa clutch mods or Ultra Mods without the cushion kit installed.
- Expect severe lever pressure, suitable only for serious performance builds.
- A Clutch Slave Cylinder Support is required on 1999–2007 Hayabusa applications.
- Installer is responsible for ensuring proper assembly without coil-bind
