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Description: Designed specifically for heavy duty motorsports, the R-4 brake pad was the first and is Portfield's original Carbon Kevlar brake pad. Being able to maintain an average of .50 friction level within...More Details »
Item #: AP776 R4
Condition:
New
Price: $279.95
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Description: Designed specifically for heavy duty motorsports, the R-4 brake pad was the first and is Portfield's original Carbon Kevlar brake pad. Being able to maintain an average of .50 friction level within...More Details »
Item #: AP829 R4
Condition:
New
Price: $169.95
Description: Designed specifically for heavy duty motorsports, the R-4 brake pad was the first and is Portfield's original Carbon Kevlar brake pad. Being able to maintain an average of .50 friction level within...More Details »
Item #: AP916 R4
Condition:
New
Price: $289.95
Free FedEx / UPS Ground Shipping!
Description: Designed specifically for heavy duty motorsports, the R-4 brake pad was the first and is Portfield's original Carbon Kevlar brake pad. Being able to maintain an average of .50 friction level within...More Details »
Item #: AP917 R4
Condition:
New
Price: $279.95
Free FedEx / UPS Ground Shipping!
Description: Designed specifically for heavy duty motorsports, the R-4 brake pad was the first and is Portfield's original Carbon Kevlar brake pad. Being able to maintain an average of .50 friction level within...More Details »
Item #: AP918 R4
Condition:
New
Price: $239.95
Description: Designed specifically for heavy duty motorsports, the R-4 brake pad was the first and is Portfield's original Carbon Kevlar brake pad. Being able to maintain an average of .50 friction level within...More Details »
Item #: AP919 R4
Condition:
New
Price: $229.95
Description: Designed specifically for heavy duty motorsports, the R-4 brake pad was the first and is Portfield's original Carbon Kevlar brake pad. Being able to maintain an average of .50 friction level within...More Details »
Item #: AP961 R4
Condition:
New
Price: $159.95
Free FedEx / UPS Ground Shipping!
Description: Designed specifically for heavy duty motorsports, the R-4 brake pad was the first and is Portfield's original Carbon Kevlar brake pad. Being able to maintain an average of .50 friction level within...More Details »
Item #: AP991 R4
Condition:
New
Price: $339.95
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Description: This high friction racing material has grown to be a
very popular choice for drivers who need the highest possible
friction with a low pad temperature. Developed and tested in
the vintage racing...More Details »
Item #: AP1368 R4-1
Condition:
New
Price: $219.95
Description: A Carbon Kevlar compound made to last a bit longer than the original R-4 compound. Porterfield’s R4-E pads have an average coefficient of .460 and perform best at temperatures averaging over...More Details »
Item #: AP917 R4-E
Condition:
New
Price: $279.95
Free FedEx / UPS Ground Shipping!
Description: A Carbon Kevlar compound made to last a bit longer than the original R-4 compound. Porterfield’s R4-E pads have an average coefficient of .460 and perform best at temperatures averaging over...More Details »
Item #: AP1368 R4-E
Condition:
New
Price: $219.95
Description: A Carbon Kevlar compound made to last a bit longer than the original R-4 compound. Porterfield’s R4-E pads have an average coefficient of .460 and perform best at temperatures averaging over...More Details »
Item #: AP738 R4-E
Condition:
New
Price: $209.95
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP1001 R4-S
Condition:
New
Price: $179.95
Free FedEx / UPS Ground Shipping!
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP109.14 R4-S
Condition:
New
Price: $109.95
Free FedEx / UPS Ground Shipping!
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP1116.2 R4-S
Condition:
New
Price: $199.95
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP1260 R4-S
Condition:
New
Price: $149.95
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP1267 R4-S
Condition:
New
Price: $109.95
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP1300 R4-S
Condition:
New
Price: $179.95
Free FedEx / UPS Ground Shipping!
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP1308 R4-S
Condition:
New
Price: $109.95
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP1365 R4-S
Condition:
New
Price: $239.95
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP1366 R4-S
Condition:
New
Price: $139.95
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP1368 R4-S
Condition:
New
Price: $149.95
Free FedEx / UPS Ground Shipping!
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP1394 R4-S
Condition:
New
Price: $129.95
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP1431 R4-S
Condition:
New
Price: $199.95
Free FedEx / UPS Ground Shipping!
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP1448 R4-S
Condition:
New
Price: $159.95
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP1449 R4-S
Condition:
New
Price: $119.95
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP1451 R4-S
Condition:
New
Price: $109.95
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP1666 R4-S
Condition:
New
Price: $189.95
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP1697 R4-S
Condition:
New
Price: $119.95
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP1738 R4-S
Condition:
New
Price: $279.95
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP1750 R4-S
Condition:
New
Price: $149.95
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP1751 R4-S
Condition:
New
Price: $129.95
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP1752 R4-S
Condition:
New
Price: $109.95
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP1753 R4-S
Condition:
New
Price: $119.95
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP1800 R4-S
Condition:
New
Price: $119.95
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP1989.1 R4-S
Condition:
New
Price: $159.95
Porterfield R4-S AP2043 Brake Pad Rear Alfa Romeo Giulia / Stelvio Quadrifoglio with OEM iron rotors
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP2043 R4-S
Condition:
New
Price: $179.95
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP2052 R4-S
Condition:
New
Price: $189.95
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP251 R4-S
Condition:
New
Price: $89.95
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP252 R4-S
Condition:
New
Price: $89.95
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP309 R4-S
Condition:
New
Price: $109.95
Free FedEx / UPS Ground Shipping!
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP365 R4-S / AP537 R4-S
Condition:
New
Price: $99.95
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP365 R4-S / AP537 R4-S 12.5mm
Condition:
New
Price: $99.95
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP372 R4-S
Condition:
New
Price: $139.95
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP394 R4-S
Condition:
New
Price: $129.95
Free FedEx / UPS Ground Shipping!
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP396 R4-S
Condition:
New
Price: $109.95
Free FedEx / UPS Ground Shipping!
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP460 R4-S
Condition:
New
Price: $109.95
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP491.12 R4-S
Condition:
New
Price: $109.95
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP558 R4-S
Condition:
New
Price: $129.95
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP592.15 R4-S
Condition:
New
Price: $159.95
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP683 R4-S
Condition:
New
Price: $119.95
Free FedEx / UPS Ground Shipping!
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP738 R4-S
Condition:
New
Price: $169.95
Free FedEx / UPS Ground Shipping!
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP756 R4-S
Condition:
New
Price: $129.95
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP764 R4-S
Condition:
New
Price: $119.95
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP776 R4-S
Condition:
New
Price: $209.95
Free FedEx / UPS Ground Shipping!
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP7793.18 R4-S
Condition:
New
Price: $209.95
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP829 R4-S
Condition:
New
Price: $129.95
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP916 R4-S
Condition:
New
Price: $189.95
Free FedEx / UPS Ground Shipping!
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP917 R4-S
Condition:
New
Price: $189.95
Free FedEx / UPS Ground Shipping!
Description: For high performance and heavy duty street conditions the Porterfield R4-S compound remains a top performer in the realm of street/performance brake pads. With the R4-S compound giving a friction...More Details »
Item #: AP918 R4-S
Condition:
New
Price: $179.95
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