This is a set of stainless steel clutch springs, RED billet aluminum spring retainers and stainless bolts. The retainers are also available in BLACK, GOLD, or SILVER. This is a great upgade for your clutch because it is stronger and lighter than OEM and the stainless springs will never rust. This kit will work on all Ducati dry clutches. This is a very easy install (about 15 min.). This kit is made by us, Motomfg and comes with a 100% satisfaction guarantee.