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Manufacturers ->Porterfield Brakes -> R-4

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.



AP1372

R-4

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Set of 4 Pieces
Rear for BMW: 08-13 135i, 13 328i RWD Convertible & Wagon Perf. Brakes

AP1373

R-4

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Set of 4 Pieces
REARfor MERCEDES BENZ: 08-13 C63 AMG, 07-11 CLS63 AMG w/Iron Discs, 07-19 E63 AMG w/Iron Discs, 06-08 SL55 AMG w/6 Piston Front Calipers, 09-12 SL63 AMG, 09-11 SL65 Signature & Black Series, 09-11 SL65 W/Sport Package

AP1379

R-4

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Set of 4 Pieces
FRONT for CHEVROLET 09-10 HHR SS w/Perf. Pkg. Brembo Front Cal., 07-10 Cobalt SS Supercharged Brembo Front Calipers

AP1379.1

R-4

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Set of 4 Pieces
FRONTfor ALFA ROMEO: 15-19 4C

AP1379.2

R-4

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Set of 4 Pieces
FRONT FOR Mazda: 16-20 MX-5 Miata w/Brembo Front Calipers//Fiat: 18-19 Spider w/Brembo

AP1382

R-4

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Set of 4 Pieces
FRONT for NISSAN: 09-17 GTR

AP1383

R-4

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Set of 4 Pieces
REAR for NISSAN: 09-17 GTR

AP1386

R-4

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Set of 4 Pieces
REAR for AUDI: 13-16 Allroad w/314mm Front Discs, 13-16 320mm Front Discs, 2010-16 A4, 2009 A4 2.0L Turbo Sedan, 2009 A4 Quattro 2.0L Turbo Sedan & Wagon, 2009 A4 Quattro 3.2L Sedan, 2010-15 A4 Quattro, 2016 A4 Quattro w/320mm Front Discs, 2008-09 A5, 2010-17 A5/A5 Quattro w/320 Front Discs, 2010-17 A5/A5 Quattro w/314mm Front Discs, 2009-12 Q5, 2013-18 Q5 2.0T w/Brembo Calipers, 2013-18 Q5 3.0T W/Brembo Calipers, 2013-18 3.0TDI w/Brembo Calipers, 2013-18 Q5 Hybrid w/TWR Girling Calipers, 2013-16 RS5 w/Smooth Edge Rear Discs, 2014-17 SQ5, 2010-16 S4, 2008-17 S5

AP1389

R-4

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Set of 4 Pieces
FRONT for PORSCHE: 09-12 911 C2 Type 997 w/Iron Disc, 13-16 911 Carrera w/Iron Disc, 09-12 911 C4 Type 997-2 w/Iron Disc, 13-16 Boxster &(S), 2017 BOXSTER S, 14-16 Cayman All w/ iron discs

AP1397

R-4

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Set of 4 Pieces
FRONT for KIA: 09-13 Forte 2.0 / Hyundai: 10-12 Elantra Touring
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