These clutches are the perfect choice for racers looking for a lightweight, high torque capacity unit. They are designed to be used for oval track, road racing and dry lakes applications.Available In Single (500 ft lbs tq), Twin (900 ft lbs tq) & Triple (1500 ft lbs)ConfigurationsAvailable In Strapped Version For Quiet & Clean ReleaseAvailable in Pin Drive Version For Quick ReleaseIncludes Aluminum FlywheelComes standard with Sintered Iron Discs. Ceramic Disc option available. Call McLeod Sales for more info 714-630-2764