Complete kit to upgrade your clutch. 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. This kit includes shim spacers to increase clutch spring pressure and prolong clutch life. Helps increase E.T. and MPH.

The kit includes:

• 6 Heavy Duty Clutch Springs
• 6 Shimmable Spring Tops
• 6 .180 Thick Hardened Spring Spacers
• 6 .062 Thick Steel Shims
• 6 .047 Thick Steel Shims
• 6 .025 Thick Steel Shims
• 6 Clutch Spring Support Studs
• 6 Socket Head Cap Screws