Barbaro Racing KD1555 RS-635 front brake pads for Nissan GT-R, Dodge Challenger SRT / Charger SRT, Jeep Grand Cherokee SRT and Dicase X61 / X62 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 KD1555: 189.7 × 92.6 × 18.5 mm; interchanges with FMSI D1405.
Specifications
Caliper fitment
| Caliper brand | Caliper | Details |
|---|
| Dicase | X61 / X62 | D65 |
Vehicle fitment
| Make | Model | Chassis | Years | Engine / variant | Notes |
|---|
| Dodge | Challenger SRT | 3rd gen | 2008– | 6.2T | |
| Dodge | Charger SRT | LD | 2011– | 6.2T | |
| Jeep | Grand Cherokee SRT | WK2 | 2011– | 6.4L | |
| Nissan | GT-R | R35 | 2008– | 3.8T | |
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
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.
