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 |
| Mitsubishi | 3000 GT VR4 | 92 - 99 | 1406 | - |
| Nissan | 300ZX | 89 - 97 | 1406 | - |
| Subaru | WRX Japan + EU | 98 - 03 | 1406 | - |
