Porterfield Brake Pads for 2007 MERCURY GRAND MARQUIS Bull Boost Performance They fit M12 x 1

They fit M12 x 1

so you plug it directly into the existing factory wiring without cutting or splicing

Yes—these mount directly at factory rocker and bumper points

*Time Constant: Defined as the time required to reach 63

HONING REQUIRED

Porterfield Brake Pads for 2007 MERCURY GRAND MARQUIS Bull Boost Performance They fit M12 x 1Porterfield Brake Pads for 2007 MERCURY GRAND MARQUIS 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