Porterfield Brake Pads for 2017 GMC SIERRA 3500 4WD SRW Location:Front Patented Metering Valve

Patented Metering Valve

COMP Cams Push Rods 7931-1 The pushrod is one of the most important pieces of the valve train

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Porterfield Brake Pads for 2017 GMC SIERRA 3500 4WD SRW Location:Front Patented Metering ValvePorterfield Brake Pads for 2017 GMC SIERRA 3500 4WD SRW 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