Brock’s Performance Ultra-Light Billet Clutch Mod Kit Hayabusa GSXR1300R 99-19 B-King 08-11

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  • Eliminates 'bucking' during dead stop launches
  • Helps protect chain and drive train components from damage
  • Smoother operation, longer clutch life, lower ETs
  • Replaces factory back-torque limiter
  • Billet 7075 aluminum, mil spec. hard coat construction
  • 60% lighter than stock for quicker engine acceleration
  • Lever pressure increased only 10%
  • Includes clutch spring shim spacers
  • No core charge or exchange required

When it comes to enhancing the overall performance and drive train safety of the Suzuki Hayabusa, the most popular and affordable upgrade is the Ultra-Light Billet Clutch Mod. This mod replaces the factory installed back-torque-limiting clutch assembly (sometimes also known as a 'slipper clutch,') allowing the rider to perform a smoother, more controlled dead-stop launch, as opposed to the grab-n-jerk motion associated with trying to launch the stock machine. As an additional benefit, the Ultra-Light Billet Clutch Mod helps reduce component wear associated with quick starts, regardless of the surface. 'Slipper clutch' equipped bikes can experience abnormal wear leading to frequent adjustments, broken drive chains, premature damage to sprockets, worn out/broken outer clutch baskets, and even bent output shafts, all of which can be attributed to the violent jerking motion encountered from the factory clutch arrangement.

If every hundredth of a second and smallest detail counts in your world, the Ultra-Light Billet Clutch Mod is for you. Thoroughly tested in some of the highest power bikes in the world, this mod also attacks the rotating mass equation in the Hayabusa clutch area. The energy transferred from rotating the weight of the steel OEM components can now be used to push the bike forward - quicker! The Ultra-Light Billet Clutch Mod weighs in at a feathery 139 grams, compared to stock at 340 grams.

Kit includes shim spacers for use with the stock sp