Barbaro Racing KD1556 RS-635 rear brake pads for Nissan GT-R. 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 KD1556: 131.8 × 71.7 × 17.5 mm; interchanges with FMSI D1383.

Specifications

Barbaro part numberKD1556
CompoundRS-635 — Race endurance low-metallic
Barbaro factory code (SKU)D15562N5
AxleRear
Dimensions (L × H × T)131.8 × 71.7 × 17.5 mm
Friction material height52.5 mm
Supplied asOne axle set
Also available for KD1556KD1556 C-01 Premium Street, KD1556 S-01 Street & Track, KD1556 RS-652 Race Extreme Hybrid, KD1556 CSI-01B Carbon-Ceramic

Vehicle fitment

MakeModelChassisYearsEngine / variantNotes
NissanGT-RR35

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

FMSID1383

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.

  • Nissan GT-R (R35)
SKU D15562N5
Brand Barbaro Racing
Unit Of Measure EA

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