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Manufacturers ->Porterfield Brakes -> R4-S

R4-S High Performance Street and Autocross – For high performance and heavy-duty street conditions.  Perfect for prolonged everyday street use while also being capable of tolerating the most severe street use without any fade.   Rotor friendly of course.  The R4-S friction level will give you an impressive increase in stopping ability with very minimum pedal effort.  R4-S compound has the absolute lowest noise and dust levels, far below OEM equipment or any other high performance brake material.  Good for autocrossing, some drivers schools, solo events, and rally’s.  The R4-S compound is available for virtually any vehicle sold in the US.  We also offer the R4-S in pad sizes for competition type calipers that are used under street driven conditions.



4 3/4" Stockcar D50

R4-S

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Set of 4 Pieces
APCP8250, 8350

AP1000

R4-S

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Set of 4 Pieces
FRONT for PONTIAC: 04 Grand Prix (and GT/GTP)

AP1001

R4-S

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Set of 4 Pieces
Front For Acura: 04-08 TL w/Brembo Front Cali.//Buick: 12-17 Regal w/Brembo Front Cali., 18 Regal Sportback JQ5 Brake Sys.//Cadillac: 13-18 ATS w/Brembo Front Cali., 15-16+18 CTS Performance Brakes w/345mm Disc RWD, 14-18 CTS w/HD Brakes 321mm FD, 04-07 CTS-V, 06-11 STS w/Brembo Brakes, 13-18 XTS, 16-17 CT6 (Std Brakes & HD Brakes exc. Perf Linings)//Chevrolet: 16-18 Camaro w/Brembo 4 Piston, 14-16 Corvette Stingray Base, 17-18 Corvette Base (Exc Z51 PKG)//Ford: 11-12 Mustang GT V8, 13-14 Mustang GT Perf. PKG, 12-14 Mustang Boss 302, 07-12 Mustang Shelby GT500//Honda: 18-19 Civic Hatchback Type R//Hyundai: 10-14 Genesis Coupe W/Brembo, 10-14 Genesis Coupe R-Spec, 10-14 Genesis Coupe Track//Mitsubishi: 03-16 Lancer Evolution AWD//SAAB: 11 9-5 355mm FD w/Brembo Front Cali.//Subaru: 02-17 WRX Sti, 17-18 BRZ w/Brembo Brakes//Volvo: 04-07 S60 R, 04-07 V70 R

FRONT or REAR: 14-17 Dodge Viper / 05-06 Ford GT

AP1003

R4-S

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Set of 4 Pieces
FRONT for VOLVO: 03-14 XC90 w/336mm Front Discs

AP1004

R4-S

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Set of 4 Pieces
REAR for SUBARU: 05-06 9-2X AWD, 04-05 Forester 2.5XS, 04-08 Forester 2.5XT Turbo, 06-08 Forester 2.5X L.L. Bean Edition, 03-05 Impreza Coupe RS, 06-07 Impreza Coupe 2.5i, 03-05 Impreza Coupe RS, 06-07 Impreza Sedan 2.5i, 03-07 Impreza Outback/Wagon/5 Door, 03-05 WRX

AP1005

R4-S

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Set of 4 Pieces
FRONT for LEXUS: 06-09 RX 330/RX 350/RX 400H Hybrid // TOYOTA: 06-07 Highlander Hybrid

AP1007

R4-S

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Set of 4 Pieces
FRONT for PORSCHE: 04-10 Cayenne w/330mm front rotors // VOLKSWAGEN: 04-05 Touareg with 330mm front discs, 06-07 Touareg V8 4.2L with 330mm front discs

AP1008

R4-S

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Set of 4 Pieces
REAR for MAZDA: 04-11 RX 8

AP1009

R4-S

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Set of 4 Pieces
FRONT for MAZDA: 04-11 RX8

AP101

R4-S

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Set of 4 Pieces
FRONT for MAZDA: 72-78 RX 3 // TOYOTA: 80-83 Corolla Sedan
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