Porterfield Brake Pads for 2004 AUDI S4 HIREV SPORTS which stands for "Expert Type

which stands for "Expert Type V" was designed to the be ultimate street suspension with no compromise for ride quality and price

Users will need to convert to a 26-spline clutch disc and 1-piece 31 spline slip yoke style prop shaft (not included)

Steel Silver Texture

Enhanced Visibility - Superior illumination enhances safety by making your vehicle more visible on the road

Porterfield Brake Pads for 2004 AUDI S4 HIREV SPORTS which stands for "Expert TypePorterfield Brake Pads for 2004 AUDI S4 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 brake pad to