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Porterfield Racing Brake Pads — Race Proven Performance
Porterfield AP2174
Image of what an axle set is. 2 pads per wheel, 2 wheels equal axle set

Porterfield

Porterfield AP2174 Brake Pads

SKU: SKU: AP2174 R4-S

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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:

  • 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

Porterfield AP2174 brake pad Axle set of 4 pieces REAR

Make Vehicle Applications
Acura 24-25 ZDX
Cadillac 2025 Celestiq, 21-25 Escalade, 21-25 Escalade ESV, 25-26 Escalade IQ, 23-26 Lyriq, 2026 Optiq
Chevrolet 24-25 Blazer EV, 23-24 Colorado, 19-25 Silverado 1500, 22-25 Silverado 1500 LTD Brembo, 21-25 Suburban, 21-25 Tahoe
GMC 23-25 Canyon, 22-24 Hummer EV Pickup, 19-25 Sierra, 21-25 Yukon, 21-25 Yukon XL
Honda 24-25 Prologue
Rivian 22-25 R1S, 22-25 Rivian R1T D2174, AP2174, HB921.670

Cross-Reference Part Numbers: D2174, AP2174, HB921, 670

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

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