Rivera Primo Pro-Clutch

All the horsepower in the world is absolutely useless if you can’t get it to the rear wheel. Thousands upon thousands of performance-minded riders have chosen a Rivera Primo Pro-Clutch™ kit to handle their power transfer chores. They rely on the Pro-Clutch™ because it doesn’t slip, whine or bog under the influence of high horsepower!
The world-famous line of Pro-Clutches™ are easy to install, extremely serviceable and very easy on the wrist! They continue to be the industry standard for high performance clutches.