Valex Racing Exedy for 2003-2005 Civic Si EP3 - EM1 Clutch Master Cylinder (CMC) and Slave Cylinder Upgrade Kit with Stainless Clutch Line and fittings The Best Complete Kit you can buy for your money Fits: 2003-2005 Civic Si EP3 Features: Exedy EM1 Clutch Master Cylinder. Exedy K Series Slave Cylinder with no clutch delay valve giving you the smoothest and most direct pedal feel. Stainless Steel Clutch Line with new fittings A complete Upgrade Replacement to your Factory setup. Description: Exedy EM1 Clutch master cylinder (CMC) upgrade kit for the EP3 Civic Si. Help protect against grinds and synchro damage from high RPM shifting. A must have upgrade for your 2003-2005 Civic Si. Replacement stainless steel clutch line included. *Note* You will need to reuse the OEM pedal rod, pedal bracket, and lock nut from your factory CMC. If you search for "DIY Civic Si em1 cmc install" you will find multiple write ups on how this is done. Very straight forward install.