Porterfield Brake Pads for 2008 BMW X6 xDrive 50i Mini-Antennas Do I need to sand

Do I need to sand or prep these before they're ready to install

2009CHEVROLETSILVERADO 2500 HDLTZ4 Wheel Drive

21" x 15" x 4

Verify your specific pump style and alternator before purchase—mixing bracket styles can cause misalignment

Base 1980 Jeep Cherokee Wide Track

Porterfield Brake Pads for 2008 BMW X6 xDrive 50i Mini-Antennas Do I need to sandPorterfield Brake Pads for 2008 BMW X6 xDrive 50i 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 brake