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Porterfield Racing Brake Pads — Race Proven Performance
Porterfield AP1389
Image of what an axle set is. 2 pads per wheel, 2 wheels equal axle set

Porterfield Part # AP1389 R-4

Porterfield AP1389 Brake Pads

$615.95 CAD
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Canadian since 2005Mississauga, Ontario
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Porterfield Brakes are race-bred friction designed and proven on the track. Each set is precision-cut from premium friction material and developed for high-temperature durability, fade resistance, and consistent pedal feel.

Available Compound Options for this Fitment:

  • R-4 — The original road racing compound that is very rotor friendly and easy to modulate. Medium friction with a 0–1200°F temperature range; optimum 350°F–900°F. Not for street use.
  • R4-S — The performance street pad. Lowest dust and squeal of any street pad in the Porterfield line, very rotor friendly, and lasts as long as (or slightly longer than) stock pads. Not for track use. Not for use with CCM discs.

Vehicle Fitment

AP1389 Porterfield brake pad Axle set of 4 pieces FRONT

Make Vehicle Applications
Porsche 2012 911 Carrera 991, 09-12 911 C4, Targ4, 09-12 911 Carrera, 13-14 911 C4 w/Iron Disc, 13-14 911 Carrera w/iron disc, 15-16 911 Carrera, 15-16 911 Carrera 4, 15-16 911 Targa 4, 17-25 718 Boxster, 20-23 718 Boxster T, 17-25 718 Cayman, 20-23 718 Cayman T, 2016 Boxster S, 13-16 Boxster, 14-16 Cayman D1389, AP1389, R1389.18, 1389, 8074, HB719.668, FCP4805

All Porterfield Brakes products carry the manufacturer's standard warranty. Race compounds are not for street use.

Free Canadian shipping on qualifying orders $399+, with no duties or brokerage. Special order and made-to-order items can't be cancelled or refunded once ordered. Oversized items may have a handling fee depending on your location; pickup in Mississauga has no fee.

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