Porterfield R-4 Carbon Kevlar Racing Brake Pad AP 603 R-4

Porterfield Carbon Kevlar R-4 Racing Brake Pad:  AP 603 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 603 R-4 applications are Chrysler Crossfire SRT-6. Mercedes Benz (C140) 500SEC and 500SEL. (R129) SL320, 600SL, SL500 and SL600. (R170) SLK32 AMG. (R171) SLK55 AMG. (W124) E320. (W140) 300SD, 300SE, 400SE, 400SEL, 600SEC, 600SEL, CL500, CL600, S320, S350, S350D, S420, S500 and S600. (W202) C36 AMG and C43 AMG. (W203) C32 AMG and C55 AMG. (W208) CLK55 AMG, CLK320, CLK430 and E300D. (W209) CLK55 AMG, CLK500 and CLK550. (W210) E430, E420, E55 AMG and E320..