[AP228-R4-S]Porterfield R4-S Perf Street Compound

Set of 4 Pieces 
REAR for 91-95 ALFA ROMEO 164, 87 AUDI COUPE GT, 89-91 COUPE QUATTRO, 82-85 QUATTRO, 87-92 80 QUATTRO SOHC, 87-92 90 QUATTRO SOHC, 89-92 80 QUATTRO W/DOHC ENG., 89-92 90 QUATTRO W/DOHC ENG., 1989 100 QUATTRO W/ATE FRONT CAL., 1989 100 QUATTRO W/GIRLING FRONT CAL., 88-91 200 TURBO QUATTRO SEDAN GIRLING CALIPER, 88-91 200 TURBO QUATTRO SEDAN ATE CALIPER, 88-91 200 TURBO QUATTRO WAGON GIRLING CALIPER, 88-91 200 TURBO QUATTRO WAGON ATE CALIPER, 83-87 AUDI 400 S, 85-87 400 CS QUATTRO, 82-88 AUDI 5000, 80-88 AUDI 5000 TURBO GAS, 86-88 AUDI 5000 S, 86-88 5000 QUATTRO, 85-88 5000 CS TURBO QUATTRO WAGON, 96-97 AUDI A4, 96-01 AUDI A4 QUATTRO, 1995 AUDI A6, 96-98 A6 W/AFC ENG., 97-99 A8, 97-99 A8 QUATTRO, 94-98 AUDI CABRIOLET, 92-94 S4, 95-98 S6, 90-94 V8 QUATTRO ATE F/CALIPER, 90-94 V8 QUATTRO GIRLING F/CALIPER, 98-92 AUDI 80, 88-92 AUDI 90, 90-92 80 QUATTRO, 90-92 90 QUATRRO, 90-92 90 QUATTRO 20 VALVE 256MM FRONT DISC, 90-92 90 QUATTRO 20 VALVE 276 MM FRONT DISC, 93-95 AUDI 905, 93-95 90CS, 93-95 905 QUATTRO, 93-95 90CS QUATTRO, 90-91 100 SERIES W/ATE HYDRAUTIC BOOSTER, 90-91 100 SERIES GIRLING VACUMM BOOSTER, 92-94 AUDI 100, 90-94 100 QUATTRO, 89-91 200 TURBO ATE CALIPER, 89-91 200 TURBO GIRLING CALIPER, 89-90 200 TURBO QUATTRO 2.2L ATE CALIPER, 89-91 200 TURBO QUATTRO 2.2L GIRLING CALIPER, 90-91 200 TURBO QUATTRO 20 VALVE