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R-4 Full Race Compound

Designed specifically for heavy-duty motorsports. The carbon based semi-metallic R-4 materials allow the pad to absorb tremendous amounts of heat and dissipate it at very even rate. Carbon Kevlar material warms up to race temperature quickly, which is quite helpful during restarts, and when track time is limited. When used with cast iron and steel alloy rotors, the R-4 compound requires minimal bed-in period. Throughout the entire heat range, the carbon kevlar material will give extremely consistent modulation and predictably.
This is truly the most rotor friendly racing brake pad material ever. Good for road courses, oval track, rally, vintage racing, autocross, club events or professional racing events.
 

R4-E Endurance Race Compound
A carbon kevlar compound made to last a bit longer than the original R-4 compound.
The R4-E compound is designed to endure higher prolonged temperature and still has pad life as long or longer than Porterfield R-4 do. This pad is great for club enduro events and applications where temperatures are at their maximum.

 

R4-1 Vintage Full Race Compound
Developed using knowledge testing in the vintage racing community. Optimum uses for the R4-1, under conditions where very high friction is needed with minimal warm up time and in applications where there is difficulty in maintaining sufficient heat with conventional race pad compounds. Widely used on vintage GT and formula cars the R4-1 is also gaining popularity in off-road and rally-cross classes. Great modulation, consistent pedal feedback and rotor friendly at all temperatures as with all the other Porterfield Carbon Kevlar compounds.

Choose your vehicle here:   AUDI   BMW    PORSCHE

All other vehicles and special configuration pads available by special order
 

Click on Brake Pad part number for pricing and to purchase

AUDI

Model

Year

R4
Front

R4
Rear

R4E
Front
R4E
Rear
A4 96,97,99 AP555 AP228 AP555R4E AP228R4E
A4 to ch#8DV168350 1997 AP555 AP228 AP555R4E AP228R4E
A4 fr ch#8DV168351 97-98 AP555 AP340T AP555R4E AP340TR4E
A4 2000 AP839 AP340T AP839R4E AP340TR4E
A4 01-05 AP840 AP340T AP840R4E AP340TR4E
A4 Avant 98-99 AP555 AP228 AP555R4E AP228R4E
A4 Avant 2002 AP840 AP340T AP840R4E AP340TR4E
A4 Quattro 96-00 AP555 AP228 AP555R4E AP228R4E
A4 Quattro 2001 AP840 AP228 AP840R4E AP228R4E
A4 Quattro 02-05 AP840 AP340T AP840R4E AP340TR4E
A4 Cabriolet 94-98 AP362 AP228 AP362R4E AP228R4E
Coupe Quattro 5/89-91 AP362 AP228 AP362R4E AP228R4E
4000cs, cs Quattro 83-87 AP227 AP228 AP227R4E AP228R4E
Quattro V8 w/ATE Calipers 91-97 AP467 AP228 AP467R4E AP228R4E
S4 Series 92-94 AP362 AP228 AP362R4E AP228R4E
S4 Series 99-02 AP839 AP340T AP839R4E AP340TR4E
S4 Series 2003 AP840 AP340T AP840R4E AP340TR4E
S4 Series 04-05 AP915 AP1018 AP915R4E AP1018R4E
S6 Series 95-98 AP362 AP228 AP362R4E AP228R4E
S6 Series 02-04 AP839 AP340T AP839R4E AP340TR4E
S6 Avant Quattro 2002 AP912 AP340T AP912R4E AP340TR4E
RS6 04-05 AP102 AP1018 AP102R4E AP1018R4E
S8, Quattro 00-03 AP594 AP894 AP594R4E AP894R4E
TT Coupe 99-05 AP687 AP340T AP687R4E AP340TR4E
TT Quattro 180HP, 225HP 01-05 AP687 AP340T AP687R4E AP340TR4E

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BMW

Model

Year

R4
Front
R4
Rear
R4E
Front
R4E
Rear
2002 69-76

AP32

SHOE459

AP32R4E

SHOE459R4E
2002 Tii 74-76 AP82 SHOE459 AP82R4E SHOE459R4E
318I, IS 83-85 AP278 SHOE548 AP278R4E SHOE548R4E
318I, IS 90-4/91 AP278 AP279 AP278R4E AP279R4E
318I, IS 92-98 AP558 AP692 AP558R4E AP692R4E
318TI 95-98 AP558 AP692 AP558R4E AP692R4E
320I 77-83 AP174 SHOE478 AP174R4E SHOE478R4E
323, IS 1998 AP558 AP692 AP558R4E AP692R4E
323 99-00 AP558 AP692A AP558R4E AP692AR4E
323i European Version 79-82 AP174 AP2023 AP174R4E AP2023R4E
325CI 01-03 AP781 AP763 AP781R4E AP763R4E
325,328,e,es,I,ia,is E30 84-91 AP278 AP279 AP278R4E AP279R4E
325,328,e,es,I,ia,is E36 91-98 AP558 AP396 AP558R4E AP396R4E
325,328,e,es,I,ia,is E46 99-00 AP558 AP396 AP558R4E AP396R4E
330CI, I, IS, IX 00-04 AP946 AP683 AP946R4E AP683R4E
524TD, 533I, 535I 80-88 AP253 AP279 AP253R4E AP279R4E
525 2002 AP725 AP692 AP725R4E AP692R4E
525I 02-03 AP947 AP692 AP947R4E AP692R4E
525I, 528I, 535I, 535IS 89-95 AP394 AP396 AP394R4E AP396R4E
528E 82-88 AP395 AP279 AP395R4E AP279R4E
528I 96-00 AP394 AP962 AP394R4E AP962R4E
530 2002 AP681 AP692 AP681R4E AP692R4E
530I 9/76-79 AP163 AP30 AP163R4E AP30R4E
530I 93-96 AP394 AP396 AP394R4E AP396R4E
530I 2003 AP681 AP692 AP681R4E AP692R4E
533I 80-84 AP253 AP279 AP253R4E AP279R4E
535I, IS 85-88 AP253 AP279 AP253R4E AP279R4E
540I 93-95 AP394 AP396 AP394R4E AP396R4E
540I, 540 96-03 AP681 AP692 AP681R4E AP692R4E
630,633,635CSI, CS 9/82-89 AP395 AP279 AP395R4E AP279R4E
733I, 735I 78-86 AP163 AP279 AP163R4E AP279R4E
733,735 I,IL 87-92 AP394 AP396 AP394R4E AP396R4E
740I, 740IL E38 94-01 AP681 AP683 AP681R4E AP683R4E
750IL 88-94 AP394 AP396 AP394R4E AP396R4E
750IL 95-98 AP682 AP683 AP682R4E AP683R4E
840CI 94-97 AP639 AP548 AP639R4E AP548R4E
850CI, I 90-7/93 AP547 AP548 AP547R4E AP548R4E
850CI, I 8/93-97 AP639 AP548 AP639R4E AP548R4E
M3 E30 87-90 AP395 AP396 AP395R4E AP396R4E
M3 E36 95-99 AP394 AP396 AP394R4E AP396R4E
M3 E46 01-04 AP394 AP683 AP394R4E AP683R4E
M5 87-88 AP163 AP279 AP163R4E AP279R4E
M5 89-93 AP394 AP396 AP394R4E AP396R4E
Z3 96-02 AP558 AP692 AP558R4E AP692R4E
Z4 Roadster 2.5I, 3.0I 2003 AP558 AP692 AP558R4E AP692R4E
Z8, Z8 Alpina Roadster 01-03 AP682 AP683 AP682R4E AP683R4E

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PORSCHE

Model

Year

R4
Front

R4
Rear

R4E
Front
R4E
Rear

356

63-65

AP2

AP3

AP2R4E AP3R4E
911 "A" Caliper 75-77

AP11

AP2

AP11R4E AP2R4E
911 "M" Caliper 74-77

AP2

AP2

AP2R4E AP2R4E

911 "S" Caliper

74-77

AP84

AP2

AP84R4E AP2R4E

911,912

65-68

AP2

AP3

AP2R4E AP3R4E

911T,E

69-73

AP2

AP2

AP2R4E AP2R4E

911

74-89

AP11

AP2

AP11R4E AP2R4E
930 Turbo 76-77 AP84 AP2 AP84R4E AP2R4E
930 Turbo 78-79 AP102 AP102 AP102R4E AP102R4E

911 Carrera 4

89-94

AP102

AP102

AP102R4E AP102R4E

911 Carrera 2

90-91

AP102

APCR2

AP102R4E APCR2R4E

911 Carrera 2

1992

AP102

AP102

AP102R4E AP102R4E

911 Carrera 2 vin starts w/96RS4

93-94

AP102

AP102

AP102R4E AP102R4E
911 Carrera 2 vin starts w/99RS3 93-94 APS4 AP102 APS4R4E AP102R4E

911 All

95-97

APS4

AP102

APS4R4E AP102R4E

911,930 Turbo, Look

82-89

AP102

AP102

AP102R4E AP102R4E

911 C2 Turbo

91-94

APS4

AP102

APS4R4E AP102R4E

911 C4 Turbo

91-94

AP102

AP102

AP102R4E AP102R4E
911 Turbo 91-92 APS4 AP102 APS4R4E AP102R4E

911 Turbo

93-94

AP594

AP102

AP594R4E AP102R4E
911 3.6 Turbo C2 1993 AP594 AP102 AP594R4E AP102R4E
C4S & Twin Turbo 95-97 AP594 APS4 AP594R4E APS4R4E
911 Carrera 2 & 4 95-97 APS4 AP608 APS4R4E AP608R4E
911 Turbo 95-97 AP594 APS4 AP594R4E APS4R4E
911 Turbo 1998 AP776 Call AP776R4E Call
911 1998 Call AP738 Call AP738R4E

914-4

70-72

AP2

AP3

AP2R4E AP3R4E

914-4

73-76

AP2T

AP3

AP2TR4E AP3R4E

914-6

70-72

AP2

AP2

AP2R4E AP2R4E

924

81-84

AP330

SHOE315

AP330R4E SHOE315R4E

924,S,Turbo

81-88

AP165

AP330

AP165R4E AP330R4E

928 S, GT

82-85

AP395

AP330

AP395R4E AP330R4E

928

86-91

APS4

AP102

APS4R4E AP102R4E

928

92-95

AP594

AP102

AP594R4E AP102R4E

944

83-89

AP165

AP330

AP165R4E AP330R4E

944 S2, Cabriolet

89-91

AP102

AP102

AP102R4E AP102R4E

944 S2, Cabriolet Koni

90-91

APS4

AP102

APS4R4E AP102R4E

944 Turbo

86-88

AP102

AP102

AP102R4E AP102R4E

944 Turbo

89-91

APS4

AP102

APS4R4E AP102R4E

968

92-95

AP102

AP102

AP102R4E AP102R4E

968 Sport

92-94

APS4

AP102

APS4R4E AP102R4E

993

93-98

APS4

AP102

APS4R4E AP102R4E

993 Turbo

93-98

AP594

AP102

AP594R4E AP102R4E
996 99-01 AP776 AP738 AP776R4E AP738R4E
996 Turbo with Ceramic Disc 03-04 AP991 AP994 AP991R4E AP994R4E
996 GT2 w/Ceramic Disc Comfort 2004 AP991 AP994 AP991R4E AP994R4E
996 GT2 w/Iron Disc 03-04 AP991 AP993 AP991R4E AP993R4E
996 GT2 w/Ceramic Disc 03-04 AP991 AP993 AP991R4E AP993R4E
996 GT2 w/Ceramic Disc Perfor. 2004 AP991 AP993 AP991R4E AP993R4E
996 GT3 w/Iron Disc 2004 AP991 AP993 AP991R4E AP993R4E
996 Twin Turbo 01-04 AP7818 AP776 AP7818R4E AP776R4E
Cayenne 03- Call Call Call Call

Boxster

97-04

AP737

AP738

AP737R4E AP738R4E

Boxster S

00-04

AP776

AP738

AP776R4E AP738R4E

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