Porterfield Brake Pads for 2005 MERCEDES-BENZ S430 Compound:R-4 4L 4 valve engine with

4L 4 valve engine with an aluminum or cast iron block

xDrive50i 2016 - 2018 BMW X5 xDrive40e Excellence

2005 Nissan Frontier LE Extended Cab Pickup 4

GL 1998 - 2000 Ford Contour SVT

Porterfield Brake Pads for 2005 MERCEDES-BENZ S430 Compound:R-4 4L 4 valve engine withPorterfield Brake Pads for 2005 MERCEDES BENZ S430 Porterfield R4 Porterfield R4 Carbon Kevlar based brake pads were fully designed for heavy duty extreme motorsports use. Its one of the the few true motorsports competition pads available on the market today. The carbon based semi metallic R4 brake material allows the brake pad to absorb huge amounts of heat and dissipate it quickly and evenly over time. The Carbon Kevlar material also allows the