Porterfield Brake Pads for 2018 AUDI A7/A7 Quattro 320mm Front Disc Compound:R-4 Monster Energy NASCAR cup series

Monster Energy NASCAR cup series

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The unique ovate Beehive shape not only has higher load but is more dynamically stable than the factory spring

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Porterfield Brake Pads for 2018 AUDI A7/A7 Quattro 320mm Front Disc Compound:R-4 Monster Energy NASCAR cup seriesPorterfield Brake Pads for 2018 AUDI A7 A7 Quattro 320mm Front Disc 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