This Porterfield brake pad set covers Porsche 991 Carrera with Iron Discs (2018) for front brake service with selectable compound options where variants are available. Porterfield parts are commonly used across performance vehicle platforms and are designed to support braking performance, fitment, and serviceability.
Compound option: R4-S for performance street and autocross use. Porterfield-branded components are intended as direct-fit brake components for Porsche applications when matched to the correct position, compound, and brake package.
Technical Details
- Manufacturer part number: AP1905
- Type: Performance street / racing brake pad set
- Compound: R4-S
- Position: Front
Fitment & Compatibility
Confirm the selected position, compound, model year, brake system notes, and rotor/caliper details before ordering. If you need help checking fitment, send PMB Performance your VIN or brake setup details.
PMB Performance has over 20 years of hands-on Porsche brake experience and can help match the correct Porterfield compound to street, autocross, track, or restoration use.