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 |
| 2002 - 2006 | ACURA | RSX | ALL | ALL | ALL | ALL | ALL | K20A2;K20Z1 | 6SPEED TRANS |
| 2006 - 2011 | HONDA | CIVIC | ALL | ALL | ALL | ALL | ALL | ALL | |
| 2002 - 2005 | HONDA | CIVIC | L4 | 2.0 | GAS | FI | N | K20A3 | 6SPEED TRANS |