
Original: $169.95
-65%$169.95
$59.48The Story
Servicing the brakes on a 2018 Porsche 718 Boxster S? This R4-S pad set is cut for that exact application. This set covers both the front and rear axle positions listed in the listed applications.
The R4-S compound sits in Porterfield's street-performance range, giving a 718 Boxster S firmer initial bite and more fade resistance under hard use while still behaving on a cold morning commute.
Technical Details
- Manufacturer part number: AP1905, AP1134
- Compound: R4-S
- Position: Front/Rear
- Model year: 2018
Confirm the 2018 718 Boxster S brake package against the notes below, since pad shape can change with caliper and rotor options across model years. Send us your VIN if the service history is unclear.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Servicing the brakes on a 2018 Porsche 718 Boxster S? This R4-S pad set is cut for that exact application. This set covers both the front and rear axle positions listed in the listed applications.
The R4-S compound sits in Porterfield's street-performance range, giving a 718 Boxster S firmer initial bite and more fade resistance under hard use while still behaving on a cold morning commute.
Technical Details
- Manufacturer part number: AP1905, AP1134
- Compound: R4-S
- Position: Front/Rear
- Model year: 2018
Confirm the 2018 718 Boxster S brake package against the notes below, since pad shape can change with caliper and rotor options across model years. Send us your VIN if the service history is unclear.




















