The R-4 brake pad was the first and original pad from Porterfield made from Carbon Kevlar. Being able to maintain an average of .50 friction level within a very wide temperature range gives the R-4 pad astounding versatility and makes it very suitable for a wide array of various track conditions.
The Carbon Kevlar allows the pads to warm quickly up to race temperature, ideal for restarts and when track time is limited. The R-4 Compound requires minimal bed-in and optimum operating temperatures of 450F – 1200F and able to maintain an average of .50 friction level within a very wide temperature range.
Porterfield AP 30 R4 Rear
£124.76
R4
Our original road racing compound that is very rotor friendly and easy to modulate, has medium friction with a 0-1400 temp range. Optimum temp range for this pad is 450F – 1200F.
Sold in pairs ( Qty 1 = 1 pair )
Make | Model | Year |
---|---|---|
Make | Model | Year |
Alfa Romeo | GT | (75-80) |
Alfa Romeo | GTV | (75-80) |
Alfa Romeo | GTV V6 | (80-86) |
Alfa Romeo | Milano | (86-89) |
Porsche | 356 | (63-95) |
Porsche | 914-4 | (70-72) |
Porsche | 914-4 | (73-76) |
Saab | 900 | (81-7/87) |
Additional information
Weight | 5 kg |
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