Porterfield Brake Pads for 2015 MERCEDES-BENZ CLS63 AMG - w/Iron Discs Compound:R4-S Custom Deluxe 1977 - 1978

Custom Deluxe 1977 - 1978 GMC C15 Heavy Half 1975 - 1978 GMC C15 High Sierra

5" step drop

Type II bright dip black anodized assembly and red anodized billet aluminum shutoff valve handle

Do I need to have the system evacuated before installing this

and E-Mark approved

Porterfield Brake Pads for 2015 MERCEDES-BENZ CLS63 AMG - w/Iron Discs Compound:R4-S Custom Deluxe 1977 - 1978Porterfield Brake Pads for 2015 MERCEDES BENZ CLS63 AMG w Iron Discs 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