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Porterfield AP 131 R4 Front
£152.76
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 |
| Mazda | RX-7 GSL-SE 4lug | (84-88) |
| Mazda | RX-7 w/Solid R/Disc | (89-92) |
R-4 - Designed specifically for heavy duty motorsports, the R-4 brake pad was our first and original Carbon Kevlar
brake pad. 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. Another inherent characteristic
of our Carbon Kevlar material is how quickly the pads warm up to race temperature which is quite helpful during restarts,
and when track time is limited. Optimum R-4 operating temperatures are 450°F and above. When used with cast iron and
steel alloy rotor, the R-4 compound requires minimal bed-in period. Note: This is a full race compound, dust and squeal will
occur. It is not designed for street use.
Please note:
All Porterfield brake pads are solely developed for Motorsport use. They are intended for race use only. They have not been developed for use on public roads and must not, under any circumstances, be used on public roads.
All Porterfield brake pads are solely developed for Motorsport use. They are intended for race use only. They have not been developed for use on public roads and must not, under any circumstances, be used on public roads.
Additional information
| Weight | 5 kg |
|---|
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