Porterfield Brake Pads for 1993 FORD F550 Super Duty Compound:R4-S Prestige 2017 - 2018 Audi

Prestige 2017 - 2018 Audi A4 Progressiv 2019 Audi A4 Sport Limited Edition

Production Ford 429/460 valve cover bolt pattern

see the instruction video

Cheyenne 1994 - 1995 Chevrolet C2500 WT 1992 - 1995 Chevrolet C2500 Suburban Base 1995 Chevrolet C2500 Suburban LS

likes headers and low gears

Porterfield Brake Pads for 1993 FORD F550 Super Duty Compound:R4-S Prestige 2017 - 2018 AudiPorterfield Brake Pads for 1993 FORD F550 Super Duty 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