Here, you are looking at the XClutch Twin Sprung Ceramic Clutch Kit. This is a high-performance multi-plate clutch kit that has been designed to handle the perils of circuit, time attack, or drift racing where your OEM clutch or even a single-disc clutch setup may not handle the abuse of such activities. 
 
DETAILS:
 
The Twin Sprung Ceramic Clutch Kit is apart of the XClutch Motorsports line
20mm outside diameter
Multi-disc design
Includes Chromoly flywheel
Includes release bearing
Includes alignment tool
Ideal for those with moderate bolt-ons
Designed for high-powered street cars or race cars
 850 ft lbs
 Ceramic
 Solid Hub
 Multi Disc
 Yes