Porterfield Brake Pads for 2008 PONTIAC GRAND PRIX GT Compound:R4-S slip-on installation on a flared

slip-on installation on a flared pipe that accepts the original piping

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Porterfield Brake Pads for 2008 PONTIAC GRAND PRIX GT Compound:R4-S slip-on installation on a flaredPorterfield Brake Pads for 2008 PONTIAC GRAND PRIX GT 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