2004+ Subaru STI Replacement Segmented Clutch Disc by Competition Clutch the Competition Clutch Replacement Segmented Ceramic Clutch Disc. This disc is available for separate purchase for those of you who have a pressure plate, throw-out bearing, and other clutch components that are in good working order still and don’t want to resort to purchasing another entire clutch kit. Features Disc Material: Ceramic Disc Style: Segmented Disc Type: Sprung Hub Full face segmented ceramic disc design Benefits Same disc equipped in Segmented Ceramic Clutch Kits Applications 2004 – 2021 Subaru WRX STI What’s In The Box? 1 – Clutch Disc Warranty Competition Clutch Inc. (CCI) warrants covered items to be free from defects in material and workmanship for 90 days from the retail purchase from an authorized dealer.