Porterfield R-4 Carbon Kevlar Racing Brake Pad GD 557 R-4

Porterfield Carbon Kevlar R-4 Racing Brake Pad:  GD 557 R-4 

Porterfield R-4 Carbon Kevlar Competition brake pads are designed for motorsports use. The R-4 compound is very versatile with optimun temperatures as low as 450?F. The R-4 coumpound operates across a wide temperature range while being able to maintain an average ? of .50 and greater. The R-4 brake pads require minimal bed-in time compared to other motorsports brake pads.

Typical GD 557 R-4 applications are AC Cobra. Alfa Romeo 2600. Aston Martin DB5, DB6, DBS, Lagonda, Vantage and Volante. De Tomaso Mangusta. Delorean DMC-12. Ferrari 206 Dino GT, 275 GT, 330 GT, 330 GTC, 330 GTS, 365, 365 GT4 2+2, 365 Daytona GTB and 365 Daytona GTS. Fiat 1500 Spider, 1600 Spider and Dino 2000. Jaguar 420, XJ12, XJ6, XJR-S, XJ-S, XJ-SC, XKE and XK-E. Lamborghini 3500 GT, 400 GT, 400 GT 2+2, Espada, Islero, Jarama GT, Jarama GTS and Miura. Maserati 3500 GT, 5000 GT, Bora, Ghibli, Indy, Khamsin, Merak, Mexico, Mistral, 4000 GT, Quattroporte, Quattroporte III and Sebring rear brakes..