Clutch

Clutch Mod R1 (09-14)

The Brock’s Performance Clutch Mod is an essential upgrade for Yamaha R1 riders who want to launch smoothly and consistently from a dead stop. By disabling the factory slipper clutch, this mod eliminates the grab-and-jerk motion associated with...

Clutch Spring Spacer Kit Assortment Pack

Dial in your clutch exactly the way your application demands. This comprehensive spacer assortment allows precise adjustment of clutch spring pressure, making it easy to fine-tune engagement, holding power, and clutch feel for everything from street...

Air Shifter Cylinder Mounting Kit S1000RR (10-14)

Engineered specifically for BMW S1000RR Simple bolt on installation, no drilling required Innovative swivel design allows movement for smooth operation with no binding CNC machined 6061-T6 billet aluminum Black anodized finish with laser etched...

Clutch Spring Kit w/ .280 Thick Spacer ZX-14 (06-11)

Give your ZX-14 the clutch strength it deserves with Brock’s Clutch Spring Kit. Built from valve-spring quality steel, these springs are shot-peened and stress-relieved to handle the punishing heat and torque of high-power drag-style launches...

Clutch Spring Spacer Kit .280 - ZX-14 (06-11)

Increase clutch holding power and consistency without the harsh lever feel of heavy-duty springs. This .280" Clutch Spring Spacer Kit raises spring preload to reduce clutch slip, improve power transfer, and deliver more reliable performance, especially...

Clutch Spring Spacer Kit .180 - ZX-14 (06-11)

Increase clutch holding power and consistency without the harsh lever feel of heavy-duty springs. This .180" Clutch Spring Spacer Kit raises spring preload to reduce clutch slip, improve power transfer, and deliver more reliable performance, especially...

Clutch Spring Spacer Kit .280 - Hayabusa (99-20) / B-King (08-11)

Increase clutch efficiency and consistency without the harsh lever feel of heavier springs. This .280" Clutch Spring Spacer Kit improves clutch performance by increasing spring preload, delivering firmer engagement and more reliable power transfer,...

Dual Stage Cushion Ring Suzuki Hayabusa (99-20)

Brock’s Performance Dual Stage Cushion Rings are engineered to withstand the extreme heat and stress that comes with high-performance riding. Over time, or following a clutch failure, rings can develop flat spots, distortion, or heat damage that...

Extra Heavy Duty Green Replacement Springs Suzuki Hayabusa (99-20)

Built for serious drag racers and land-speed competitors, Brock’s Extra Heavy Duty Green Springs are designed to deliver maximum clamping force and durability in demanding clutch applications. These springs are a direct replacement for the Hayabusa...

Clutch Cushion Kit Replacement Springs Suzuki Hayabusa (99-20)

Restore and upgrade your Hayabusa’s clutch performance with Brock’s Clutch Cushion Replacement Spring Kit. Designed as a direct replacement for stock springs and Ultra Mod spacers, this kit increases spring pressure for stronger clamping...

Heavy Duty Clutch Spring Kit ZX-12R (00-05)

Give your ZX-12R the clutch strength it deserves. Brock’s Heavy Duty Clutch Spring Kit is built from valve-spring-quality steel, then shot-peened and stress-relieved to withstand the extreme heat and abuse of high-power drag-style launches. Unlike...

Heavy Duty Clutch Spring Kit GSX-R1000 (05-06), GSX-S1000 (18-20), and Katana (2020)

Brock’s Heavy Duty Clutch Spring Kit is built to outperform standard OEM springs. Manufactured from valve-spring quality steel, each spring is shot-peened and stress-relieved to withstand the extreme heat and abuse of high-power drag-style launches...