Competition Clutch Forged Steel Flywheel Subaru STI 2004-2021 | 2-721-ST

Part #: 2 - 721 - ST. The ST flywheel is ideal for naturally aspirated and street - driven cars. It works perfectly with all performance and stock clutch assemblies. The CCI Lightweight Steel Flywheel has many great features. It keeps low - end torque and drivability intact. Its one - piece ring gear offers high durability. The weight ranges from 11 lbs. to 14 lbs., depending on the application. It's well - suited for Stage 1 and Stage 2 clutch kits. Stamped with 4140 plate at 1260 degrees under 2000 - ton pressure, CNC machined and balanced to O.E. specs. Less mass means more acceleration, and it meets or exceeds SFI 1.5 standards.

Using this flywheel is easy. Just install it according to the vehicle's standard installation process when replacing your old flywheel. When installing, make sure all parts are clean and free of debris. As for usage, it's suitable for both daily street driving and some light - duty performance needs. When it comes to maintenance, regularly check the flywheel for any signs of wear, such as cracks or uneven surfaces. Keep it clean and lubricated as needed. If you notice any abnormal noises or vibrations during driving, it's a good idea to have it inspected by a professional mechanic.