Porterfield AP288 Rear Brake Pads – Porsche 911 / Carrera / Speedster – R4-S

Porterfield AP288 Rear Brake Pads – Porsche 911 / Carrera / Speedster – R4-S If you want a rear pad that keeps the classic feel of your air-cooled Porsche while improving stopping confidence, the Porterfield AP288 in R4-S compound is a great choice. This is Porterfield’s performance street pad, designed for drivers who want strong street manners, low dust, reduced squeal, and dependable everyday braking performance. This listing is for one rear axle set, which includes 4 brake pads total. That gives you 2 pads per caliper and covers both rear wheels. Why choose Porterfield R4-S? Performance street compound Very low dust and squeal compared to more aggressive pads Rotor friendly formulation Strong street braking performance with excellent drivability Comparable or slightly longer pad life than many stock pads Ideal for spirited street use Important notes Not for track use Not for use with CCM / ceramic discs Race compounds will not have sensor cutouts What’s included 1x rear axle set of Porterfield AP288 brake pads 4 total pads Compound: R4-S only Compatible vehicles BMW 733i (1978–09/1981) – Rear Porsche 911 (1984–1988) – Rear Porsche 911 Carrera (1989) – Rear Porsche 911 Speedster (1989) – Rear Part number references AP288 D288 R31.15 PFC 0031 Pagid 4304 HB172.595 FCP2 Porterfield R4-S compound overview Porterfield’s R4-S compound is built for drivers who want a real performance street pad without the downsides that often come with more aggressive compounds. It offers low dust, reduced squeal, great rotor friendliness, and street manners that make it a smart choice for enthusiast-driven cars. On classic Porsche applications, that makes a big difference. You get more confidence under braking while still keeping the car enjoyable to drive on the road. For most street-driven builds, R4-S is the sweet spot. Need help confirming fitment for your exact setup? Send us your year, model, and VIN and we’ll make sure you get the correct rear pad set before ordering.