Harness the full potential of your hyperbike with Brock’s Heavy Duty Clutch Spring Kit. Engineered for today’s ramp-style slipper clutches, these springs increase clamping force on the clutch pack while keeping lever feel comfortable and predictable. Perfect for high-horsepower applications, the kit is a 100% drop-in replacement and installs easily using the OEM service manual.
Built from valve-spring quality steel and processed with shot-peening and stress relief, these springs are designed to endure the extreme heat and torque loads of modern superbikes. Guaranteed for millions of sag-free, trouble-free cycles, they provide the reliability and confidence you need—whether on the street or the strip.
FEATURES
- Kit includes 3 heavy duty springs
- Fully compatible with the OEM slipper clutch
- Direct replacement for stock clutch springs
- Increases static spring pressure by 25%
- Minimal increase in clutch lever effort
- Extends clutch life and improves MPH
- Premium valve-spring quality steel, shot-peened and stress-relieved
- Engineered for long-term durability and consistency
- Installs using the Ninja H2 or GSX-R1000 OEM service manual
FITMENT
- Kawasaki Ninja H2 (2016-2025)
- Kawasaki Ninja H2 SX/SE/SE+ (2018-2026)
- Kawasaki Z H2 (2020-2025)
- Suzuki GSX-R1000/R (2017-2025)
