Porterfield Brake Pads for 2015 LINCOLN MKS Compound:R4-S What kind of power source

What kind of power source does this use

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The hanging loop is designed for standard rearview mirror mounting or any interior hook point

Solid bricks are stable in heat and won't melt or drip like gels

Porterfield Brake Pads for 2015 LINCOLN MKS Compound:R4-S What kind of power sourcePorterfield Brake Pads for 2015 LINCOLN MKS 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 pad