Porterfield Brake Pads for 2017 BMW 320i (Exc M Sport Brakes) Compound:R4-S Sierra Classic 1967 - 1974

Sierra Classic 1967 - 1974 GMC K15/K1500 Pickup Base 1968 - 1974 GMC K15/K1500 Suburban Base 1979 - 1986 GMC K1500 Sierra Classic

whether you're hitting the trails in summer or winter

Open dimensions:  72" x 112" Vehicle side

-> Improved response of A/F ratio because of reduced fuel volume from port surface

Self-Aligning: Yes

Porterfield Brake Pads for 2017 BMW 320i (Exc M Sport Brakes) Compound:R4-S Sierra Classic 1967 - 1974Porterfield Brake Pads for 2017 BMW 320i (Exc M Sport Brakes) 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