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 GD 522 R4 Front
£155.96
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 |
Ferrari | 275 | (67-79) |
Ferrari | 330 | (67-68) |
Ferrari | 365 | (67-68) |
Ferrari | 275 | (67-79) |
Ferrari | 330 | (67-68) |
Ferrari | 365 | (67-68) |
Ferrari | 275 | (67-79) |
Ferrari | 330 | (67-68) |
Ferrari | 365 | (67-68) |
Jaguar | XKE | (69-74) |
Lotus | Esprit | (75-80) |
Additional information
Weight | 5 kg |
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