Heavy Duty Clutch Spring Kit GSX-R1000 (05-06), GSX-S1000 (17-20), and Katana (2020)

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  • Longer clutch life and more MPH, reduces 'spongy' lever feel
  • Valve spring quality material shot-peened, stress relieved
  • Engineered for millions of trouble-free cycles
  • Lever pressure increased approximately 25%
  • Replacement springs for the GSX-R1000 (07-11) and (12-16) Ultra Clutch Mod Kits
  • Clutch Mod Kit #270344 is suggested for use with this product
  • Springs are sold in sets of 6

Say good bye to the typical industry clutch spring! Manufactured from valve spring quality material, shot-peened and stress relieved specifically to handle the heat and stress of high power drag-style sport bike launches. Brock's new springs are guaranteed for millions of trouble-free (and SAG-free!) cycles.

We spared no expense to produce a spring for your late model rocket... neither should you. Increased spring pressure prolongs clutch life and can help increase E.T. and MPH. These gains can be multiplied if the rider is over 170 lb.