Competition Clutch Stage 1.5 – Gravity Series 1500 Clutch Kit:??The Competition Clutch Stage 1.5 ??? Gravity Series 1500 Clutch Kit is an economical solution for moderately modified cars or simply aggressive individuals with stock power. Offers 40-50% of torque capacity and maintains stock pedal feel.DO NOT use with added forced induction such as turbo, supercharger, or NOS systems.The 1500 Series kit includes a Competition Clutch pressure plate, a full face organic performance disc assembly, all applicable bearings and the appropriate alignment tool.