FX Racing Stage 1 clutch kits are upgraded heavy-duty clutch setups for those who seek street-able high performance clutches. It is a direct factory replacement part thus no modifications are needed. The clutch kit includes only the highest grade components and it s ready for hot action on street and track. The premium organic friction material is designed for high heat tolerance quick recovery good friction and long life. The heavy-duty sprung center unit boasts heat-treated springs and retainer rivets for the maximum power and durability. The FX Racing pressure plate features a special single diaphragm design to increase clamp load. It features induction hardened diaphragm CNC machined castings stronger drive straps and rivets. FX Racing pressure plates provide smooth and precise feel with easy modulation. All FX Racing pressure plates are load tested on a special testing tool for quality assurance.