No titleR4-E Endurance Race Compound – A carbon kevlar compound made to last a bit longer than the original R-4 compound. TheR4-E compound is designed to endure higher prolonged temperature andstill has pad life as long or longer than Porterfield R-4 do. This pad is great for club enduro events and applications where temperatures are at their maximum.
| Make: | Audi |
| Model: | A4 Quattro |
| Years: | 2001 - 2001 |
| Front or Rear Pad: | Rear |
| Porterfield Pad Number: | AP228 - R4-E Compound |