Product Overview
        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.
This Part Fits:
        
      
    This Part Fits:
| Year | Make | Model | Submodel | 
|---|---|---|---|
| 1988 | Mazda | RX-7 | 10th Anniversary | 
| 1986-1987,1991 | Mazda | RX-7 | Base | 
| 1987 | Mazda | RX-7 | Base 2+2 | 
| 1988-1991 | Mazda | RX-7 | Convertible | 
| 1983-1985 | Mazda | RX-7 | GS | 
| 1983-1985 | Mazda | RX-7 | GSL | 
| 1984-1985 | Mazda | RX-7 | GSL-SE | 
| 1988-1990 | Mazda | RX-7 | GTU | 
| 1989-1990 | Mazda | RX-7 | GTUs | 
| 1986-1990 | Mazda | RX-7 | GXL | 
| 1987-1990 | Mazda | RX-7 | GXL 2+2 | 
| 1983 | Mazda | RX-7 | Limited Edition | 
| 1987 | Mazda | RX-7 | LX | 
| 1987 | Mazda | RX-7 | LX 2+2 | 
| 1983-1985 | Mazda | RX-7 | S | 
| 1988 | Mazda | RX-7 | SE | 
| 1988 | Mazda | RX-7 | SE 2+2 | 
| 1987 | Mazda | RX-7 | Sport | 
| 1986-1991 | Mazda | RX-7 | Turbo |