Competition Clutch Ultra Lightweight Steel Flywheels (STU suffix) are recommended for forced induction and/or track and rally racing applications. This flywheel is machined with less material to assist in quicker revving capabilities. Well-suited for Stage 3 and up clutch applications. Made of 4140 forged steel and are a one-piece design. Not all applications have the ST and STU versions available. Flywheel weights vary from 8lbs to 18lbs depending on application.
WarrantyThis Part Fits:
| Year | Make | Model | Submodel | 
| 1998-2002 | Chevrolet | Prizm | Base | 
| 1998-2002 | Chevrolet | Prizm | LSi | 
| 2003-2008 | Pontiac | Vibe | Base | 
| 2000-2005 | Toyota | Celica | GT | 
| 1998-2008 | Toyota | Corolla | CE | 
| 1998-2008 | Toyota | Corolla | LE | 
| 2001-2008 | Toyota | Corolla | S | 
| 1998-2000 | Toyota | Corolla | VE | 
| 2003-2008 | Toyota | Matrix | Base | 
| 2003-2008 | Toyota | Matrix | XR | 
| 2000-2005 | Toyota | MR2 Spyder | Base |