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 bearing/bushing (where applicable), and alignment tool.Stage 2: Clutch Kit: 02-06 Acura RSX: 06-11 Honda Civic Si: 2.0L: 6-Speed: Honda K SeriesSmooth Engagement.Acura: RSX 02 06 2 L Engine, Honda: Civic 06 11 2 L EngineProperly Suited for Aggressive Street Use and Moderate Track Use.High Torque Sprung Steel Backed Disc.Brass Plus Facings.Smooth Engagement.