Clutch Masters Steel Flywheel Subaru STI 2004-2021 | FW-721-SF

Part #: FW - 721 - SF. Clutch Masters Flywheels are crafted and rigorously tested for top - notch safety and quality. Thanks to years of R&D, we've gained the know - how to pick the finest materials. Most of these flywheels are made from 6061 T6 Billet Aluminum, 1045 or 4140 Billet Steel, depending on the application. They're SFI Certified, meeting high - performance standards for both automotive and motorsport. This flywheel weighs 16 lbs.

Using this Clutch Masters steel flywheel is straightforward. First, make sure your Subaru STI (2004 - 2021) engine is turned off and cooled down. Then, carefully install the flywheel according to your vehicle's manual. When driving, the flywheel will help improve the engine's performance. As for maintenance, regularly check the flywheel for any signs of wear or damage. If you notice any cracks or abnormal noises, it's time to have it inspected. Also, keep it clean to ensure its long - lasting performance. Remember, don't try to modify the flywheel on your own, as it may affect its safety and performance.