The 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 Clutch performance pressure plate, a high torque sprung disc with anti-burst steel backed Brass Plus facings, throw out bearing (where applicable), pilot bearing/bushing (where applicable), and alignment tool.