The Competition Clutch Stage 4 - Strip Series 1620 Clutch Kit, available with a double spring, six rivet carriage is good for ease of gear transition with higher horsepower. This disc complimented by a performance pressure plate provides 250% increase in torque capacity.
The 1620 Series kit includes a performance pressure plate, a six puck high torque sprung disc with Ceramic buttons, all applicable bearings, and the appropriate alignment tool.
| YEAR | MAKE | MODEL | CYLINDERS | LITERS | FUEL TYPE | FUEL DELIEVERY | ASPIRATION | ENGINE DESIGNATION | NOTES |
| 1998 - 2002 | CHEVROLET | PRIZM | ALL | ALL | ALL | ALL | ALL | ALL | |
| 1991 - 1997 | GEO | PRIZM | ALL | 1.6 | ALL | ALL | ALL | ALL | FROM 5/91 PRODUCTION DATE |
| 2003 - 2005 | PONTIAC | VIBE | ALL | ALL | ALL | ALL | ALL | 1ZZFE | 5SPEED TRANS |
| 2003 - 2006 | PONTIAC | VIBE | ALL | ALL | ALL | ALL | ALL | 2ZZGE | 6SPEED TRANS |
| 2000 - 2005 | TOYOTA | CELICA | ALL | ALL | ALL | ALL | ALL | 1ZZFE | 5SPEED TRANS |
| 2000 - 2005 | TOYOTA | CELICA | ALL | ALL | ALL | ALL | ALL | 2ZZGE | 6SPEED TRANS |
| 1991 - 1993 | TOYOTA | CELICA | L4 | 1.6 | GAS | FI | N | 4AFE | FROM 6/91 PRODUCTION DATE |
| 1994 - 1994 | TOYOTA | CELICA | L4 | 1.8 | ALL | ALL | ALL | 7AFE | |
| 1995 - 1997 | TOYOTA | CELICA | L4 | 1.8 | ALL | ALL | ALL | 7AFE | |
| 1998 - 2004 | TOYOTA | COROLLA | ALL | ALL | ALL | ALL | ALL | ALL | |
| 1993 - 1997 | TOYOTA | COROLLA | L4 | 1.6 | GAS | FI | N | 4AFE | |
| 2003 - 2005 | TOYOTA | MATRIX | ALL | ALL | ALL | ALL | ALL | 1ZZFE | 5SPEED TRANS |
| 2003 - 2004 | TOYOTA | MATRIX | ALL | ALL | ALL | ALL | ALL | 2ZZGE | 6SPEED TRANS |
| 2000 - 2005 | TOYOTA | MR2 SPYDER | ALL | ALL | ALL | ALL | ALL | ALL |