- Allows use of factory slipper clutch
- Direct replacement for OEM clutch springs
- Increases static spring pressure by 10%
- Minimal increase in clutch lever pressure
- Longer clutch life and more MPH
- Valve spring quality material, shot-peened and stress relieved
- Engineered for millions of trouble-free cycles
- Installs using the Z900/RS OEM Service Manual
Designed to complement the modern 'ramp-style' clutch assembly, these heavy duty clutch springs will help provide more clamping force on the clutch pack, without producing excessive/uncomfortable pressure at the lever. 100% drop-in and compatible with the OEM slipper clutch. Brock’s Performance clutch springs are manufactured from valve spring quality material, shot-peened and stress relieved specifically to handle the heat and stress of today’s high powered sport bikes. Guaranteed for millions of trouble-free (and SAG-free!) cycles. Includes 3 heavy duty springs.