RS 4-4 Medium friction compound with a higher friction value than the RS 4-2. It is disc friendly with fade resistance up to 1,050°F. It is a very good rear compound for touring car applications in combination with RS 14 front pads.
Based on the Pagid Application Guide, this pad fits the following applications.
| Make | Model | Year | Front | Rear |
| Ferrari | 355 Challenge | 95 - 00 | 1674 | 1674 |
| Porsche | 996 GT3 R & GT3 RS | 00 - 05 | 1908 | 1674 |
| Porsche | 997 GT3 RSR | 07 - | 2488 | 1674 |