Upgrade your Subaru's clutch system with Exedy's Twin Clutch Replacement Disc Type A. This high - quality disc is a perfect fit for 2002 - 2005 Subaru WRX (Part #FM012SD) and 2004 - 2021 Subaru STI (Part #FM022SD). It comes pre - installed in some of Exedy's twin - disc clutches and is also available for individual purchase if your existing disc is worn out. When you replace the disc, you'll experience a much more solid driving feel and better transmission feedback. The disc has a 0.79 - inch (200mm) diameter, 24 splines, and a 1 - inch (25.2mm) spline size. It's sold individually. Remember, you need to get an Exedy Type B replacement clutch disc to complete the kit.

Using this Exedy Type A replacement clutch disc is straightforward. First, make sure your Subaru model is either a 2002 - 2005 WRX or a 2004 - 2021 STI. Then, remove the old, worn - out clutch disc carefully. Install the new Exedy disc in its place, following the standard installation procedures for your vehicle. When it comes to maintenance, keep an eye on the disc's performance. If you notice any unusual noises or a decrease in clutch responsiveness, it might be time to check the disc. Also, remember that to have a complete clutch kit, you must purchase an Exedy Type B replacement clutch disc. Always handle the disc with care during installation and storage to avoid any damage.