Porterfield Brake Pads for 2017 GMC SIERRA 2500 4WD Compound:R4-S non-turbulent 2” to 2

non-turbulent 2” to 2

CS 280R Camshaft

Say goodbye to cracks

The base truss itself spans about 43

Porterfield Brake Pads for 2017 GMC SIERRA 2500 4WD Compound:R4-S non-turbulent 2” to 2Porterfield Brake Pads for 2017 GMC SIERRA 2500 4WD 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