The ACT Monoloc collar is a game - changer for your vehicle. It's a one - piece replacement or upgrade for the standard two - piece wedge collar and wire ring in pull - type clutches. Specifically, it fits 1993 - 1995 Mazda RX - 7, 2003 - 2015 Mitsubishi Evolution 8 / 9 / 10, 2005 Saab 9 - 2X 2.0L, 2004 - 2017 Subaru STI, 2002 - 2005 Subaru WRX, 2004 - 2005 Subaru Baja Turbo, 2004 - 2005 Subaru Forester XT, and 2007 - 2009 Subaru Legacy GT Spec B. The spring tension of its segmented retaining ring is precisely calculated and tested for top - notch performance. It evenly distributes load on the bearing and pressure plate, ensuring proper alignment regardless of your driving style or vehicle mods. Made from hardened Chromoly steel, it promises years of reliable service. With the ACT Monoloc collar, you'll feel more confident during fast and hard shifts. It's recommended for all types of use and is ACT's patented solution to problematic OEM designs.


Using the ACT Monoloc collar is straightforward. First, make sure your vehicle is turned off and in a safe, stable position. Then, carefully remove the old two - piece wedge collar and wire ring from your pull - type clutch. Install the ACT Monoloc collar in their place, ensuring it fits snugly. When driving, you'll notice improved reliability during shifts right away. As for maintenance, there's not much you need to do. Regularly check the collar for any signs of wear or damage, like cracks or excessive corrosion. If you notice any issues, it's best to replace the collar promptly. Keep in mind that this collar is designed to work well with a variety of vehicle models, but always double - check the fitment information before installation to ensure it's right for your car.