KD7911 RS-635 Rear Brake Pads

Barbaro Racing KD7911 RS-635 rear brake pads for Porsche Panamera Turbo S E-Hybrid SportTurismo / 911 and Brembo Porsche 911 GT3 calipers. RS-635 is Barbaro's low-metallic endurance race compound (50–800°C, μ 0.40–0.52) — CEC 2025 TCS class winner. Pad shape KD7911: 187.7 × 86.8 × 16.5 mm; interchanges with FMSI D2046-9276.

Specifications

Barbaro part number	KD7911
Compound	RS-635 — Race endurance low-metallic
Barbaro factory code (SKU)	D79112N5
Axle	Rear
Dimensions (L × H × T)	187.7 × 86.8 × 16.5 mm
Friction material height	66.4 mm
Supplied as	One axle set
Also available for KD7911	KD7911 C-01 Premium Street, KD7911 S-01 Street & Track, KD7911 CSI-01B Carbon-Ceramic

Caliper fitment

Caliper brand	Caliper	Details
Brembo	Porsche 911 GT3 (rear)	66.4 mm friction face

Vehicle fitment

Make	Model	Chassis	Years	Engine / variant
Porsche	911			GT3
Porsche	911 GT3
Porsche	Panamera Turbo S	971	2020–	4.0T
Porsche	Panamera Turbo S E-Hybrid	971	2016–	4.0T plug-in hybrid
Porsche	Panamera Turbo S E-Hybrid SportTurismo	971	2016–	4.0T plug-in hybrid

Fitment is compiled from the Barbaro Racing application catalogue and Barbaro factory data, together with the vehicle listings of the interchange part numbers below. Brake packages can differ within one model — please compare your current pads with the dimensions and drawing, or send us your VIN, before ordering.

Cross-reference / interchange numbers

FMSI	D2046-9276, D2046, D1740

Interchange numbers identify the matching pad shape. Friction material, shims and wear-sensor hardware can differ between brands.

About the RS-635 compound

RS-635 · The endurance champion

The CEC 2025 class winner. At Tianfu International Circuit, a Hongqi H6 on RS-635 ran a 200-minute stint against PAGID RST3's 120 — with less wear.

Temperature range: 50–800°C
Friction: μ 0.40–0.52 (steel disc)
Formula: Race endurance low-metallic
Discs: Steel and carbon-ceramic
CEC Championship validated — TCS class winner
200 min endurance on a single set
Ideal for: Endurance racing in heavier GTC and touring cars

RS-635 full specifications on barbaro-racing.com

About Barbaro Racing

Barbaro Racing (野蛮人) is the performance brand of the CAC Racing Division — proprietary compounds developed entirely in-house. Development begins on the dynamometer and ends on the circuit: every friction formula is bench-tested to destruction before earning the right to carry the Barbaro name. All compounds are validated against GB5763-2018 national standards; Street Series compounds are asbestos-free.