McLeod Super Street Pro GM LS-X 11in. X 1-1/8 X 26 Diaphragm with Dowel PinsThe Super Street Pro clutch kit is ideal for both the street and the track. We recommend it for cars up to 550 Hp (depending on part number) with moderate engine mods and street tires. The kit is SFI approved. Included is a high clamp load pressure plate, a dual faced organic and metallic disc for smooth engagement and awesome holding power. Our kits are complete with Pressure Plate, Disc, throw out bearing (where applicable) pilot bushing (where