The Competition Clutch Stage 2 Street Series 2100 Clutch Kits provide up to 80 increase in torque capacity and is properly suited for aggressive street use and moderate track use. The Brass Plus material with its alloy backing matched to a performance pressure plate will provide smooth engagement and extended life. The 2100 Series kits include a Competition Clutch performance pressure plate, a high torque sprung disc with anti - burst steel backed Brass Plus facings, throw out bearing (where applicable), pilot bearingbushing (where applicable), and alignment tool.