ACT 06-15 Mazda MX-5 4 Pad Sprung Race Clutch Disc - 4224508-1 fits_2004-2007`Scion`XB True Coilover option equipped with

True Coilover option equipped with 8k F / 7k R spring rates

5" diameter direct fit Coilovers feature the same race winning engineering and components that have 20+ years of testing

Ships with 8' of 1/2" premium automotive grade multi-ply hose lines

5-2010 Chevy Silverado or GMC Sierra 2500HD/3500HD with the Duramax V8 6

ACT 06-15 Mazda MX-5 4 Pad Sprung Race Clutch Disc - 4224508-1 fits_2004-2007`Scion`XB True Coilover option equipped with4224508 1 is a 4 pad spring centered race disc made with high quality, ceramic friction materials. The engagement is harsher, but shifting is faster. The heavy duty torsional dampening springs are stronger, in most cases, than standard springs and are provided in the best sizes and spring rates to suit the application. The race disc features a heat treated spring steel drive plate and is well suited for the smaller disc sizes in smaller engines.