APE “Extra plate” clutch kits are the strongest clutches available for your motorcycle. They have become the industry standard...the best. Although designed for racing applications, they are perfect for performance street bikes. They do not chatter when they grab. APE clutch kits feature an extra friction plate for 14% more clutch surface. From your all out nitrous drag racer, to “killer” horsepower street bike, or just your well tuned stocker. The APE “Extra Disc” clutch is a must. Kits include friction plates, extra steel plate, and heavy duty spring kit. Installs just like a stock clutch.