XTD Stage 1 clutch kit is an upgrade heavy-duty clutch set up for those who seeks street-able high performance clutch. It is a direct factory replacement parts thus no modifications are needed. This disc uses the same CCI heavy duty high torque internal assembly used in our most extreme Strip clutches. We then add our unique woven Carbon durability using only the best Steel-back oganic, spring center designs.This XTD Stage 1 clutch kit hold More HP and Torque Than Stock Pressure Plate and Clutch disc is made from HD steel back frictions for maximum added burst strength and thermal dissipation. This is the ultimate Street clutch. This XTD Stage 1 Clutch Kit Includes XTD Heavy-duty Pressure plate,XTD Carbon HD Steel-back Street Disc, Throw out Bearing,Alignment Tool,Pro-lite 9Lbs Flywheel,clutch installation and XTD clutch Logo decal.This XTD Pressure plate Holds 25% more ductile iron and heat Treated Which is about 20% Stronger Than Just Stock Cast Iron Pressure plate. XTD Stage 2 clutch is Designed for Smooth Engagement,quiet operation and good for Just Stock and Mildly Modified application.All XTD Sports clutch kit Designed for Street (Daily driving) so It won't make you difficulty on daily normal driving.All XTD Racing Clutch Kit Required 500Miles Break-in Period.