Porterfield R-4 Carbon Kevlar Racing Brake Pad AP 919 R-4

Porterfield Carbon Kevlar R-4 Racing Brake Pad:  AP 919 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 AP 919 R-4 applications are Bentley Arnage Red Label, Arnage R, Arnage RL and Arnage T. BMW E60 535i, 545i, 550i and M5. BMW E63/E64 645Ci, 650i and M6. BMW E65/E66 750i, 750Li. E65 745i, 745Li, 760i, 760Li and Alpina B7. E90/E92/E93 M3. BMW F01 / F02 740i, 740Li, 740Li XDRiVE, 750i, 750i XDRiVE, 750Li and 750Li XDRiVE. BMW F07 535i GT (Gran Turismo), 535i GT XDRiVE, 550i GT, 550i GT XDRiVE and 1 Series M rear brakes..