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DIXCEL FS Replacement Rotor Rings - AP Racing CP3580-2898/9 - 330x28mm 12 Slot
Restore your braking performance with Dixcel FS replacement rotor rings, engineered in Japan and developed through decades of OEM supply and motorsport experience. The FS series is built for sustained competition use, where consistent friction, heat management, and dimensional stability under repeated high-energy stops matter more than anything else.
These are replacement friction rings only. They are designed to be fitted to your existing AP Racing two-piece assembly, reusing your current hat, bobbins, and hardware. This allows a worn disc face to be refreshed without replacing the complete assembly.
This listing covers the AP Racing 330 x 28mm racing caliper assembly, cross-referenced to AP Racing part numbers CP3580-2898 and CP3580-2899. The rings are side-specific: FS-33028A22R is the right hand ring and FS-33028A23L is the left hand ring. Both are supplied together as a pair. The SLIT-12 face carries twelve slots for consistent bite and clean pad degassing.
Important: This is a motorsport component intended for competition use. Bolts, nuts, bobbins, and springs are not supplied and must be reused from your existing assembly or sourced separately. Please confirm your hat, hardware, and disc dimensions before ordering.
Rotor Ring Specifications
- Dixcel Part Numbers: FS-33028A22R (Right) / FS-33028A23L (Left)
- Type: SLIT-12 (12 Slot)
- Outer Diameter (OD): 330mm
- Thickness (TH): 28mm
- Inner Bore: 230mm
- Outer Bore: 190mm
- Flange Thickness: 5.6mm
- Offset: 0.1mm
- Outer Disc Thickness: 7mm
- Inner Disc Thickness: 7mm
- Air Gap: 14mm
- PCD: 203.2mm
- Number of Holes: 12
- Hole Diameter: 6.4mm
- AP Racing Reference: CP3580-2898 / CP3580-2899
- Bolts and Nuts: Not supplied
- Bobbins and Springs: Not supplied
- Supplied As: Left and right pair
Compatibility, caliper reference numbers, and rotor ring specifications are provided in the tabs above. Please confirm your assembly dimensions and hardware before ordering.
Not sure if these rings suit your assembly? Contact our team at sales@dixcelshop.com.au for expert advice.
"Product Comparison
Select up to two products below to compare their technical specifications side-by-side.
Premium Type
Excellent braking power and dust reduction for European applications.
EC Type
A premium street pad for JDM cars, made for superior braking feel and low dust output
M Type
Ultra-low dust pad for clean wheels without sacrificing stopping power.
X Type
High stopping power for heavy SUVs. Effective with large diameter wheels.
ES Type
Entry-level sports pad with increased heat resistance and stable braking.
S Type
Street Sports pad ideal for lightweight vehicles. Firm rigid pedal touch.
Z Type
All-round performance. Best match for high grip radial tyres.
RE Type
ABS-compatible racing pad. Minimises ABS intervention for high-grip tyres.
RA Type
Racing pads pursuing high effectiveness and linear control for high-powered cars.
Specom-β
Endurance racing pad with exceptionally high wear resistance and stability.
Pad Specifications
| Feature | Pad A | Pad B |
|---|---|---|
| Intended Use | – | – |
| Target Vehicle | – | – |
| Friction Material | – | – |
| Bite Coefficient (µ) | – | – |
| Initial Bite Feel | – | – |
| Operating Temp | – | – |
| Dust Level | – | – |
| Rotor Wear | – | – |
| Tyre Match | – | – |
| Hardware Included | – | – |
* "YES*" denotes wear sensors are included on primary street applications where applicable. Track-only pads omit sensors due to extreme temperatures.
PD Type
Standard replacement rotor with factory-beating precision and anti-rust coating.
SD Type
Up to 20% more braking power with 6 offset slits for enhanced street and sports driving.
FP Type
Professional plain rotor with advanced heat treatment and 20% more carbon for ultimate crack resistance.
FS Type
The ultimate slotted racing rotor, combining high-carbon durability with enhanced initial bite.
2-Piece Assembly
Floating 2-piece structure prevents thermal judder, cuts weight, and allows outer ring replacement.
Rotor Specifications
| Feature | Rotor A | Rotor B |
|---|---|---|
| Intended Use | – | – |
| Target Stage | – | – |
| Material Structure | – | – |
| Surface Design | – | – |
| Anti-Rust Coating | – | – |
| Heat Treatment | – | – |
| Hub Structure | – | – |
| Key Benefit | – | – |
* Anti-rust coatings inhibit rust but do not completely prevent it on cast iron. Black finishing on 2-piece rotors wears to bare iron on the pad contact surface.
* Note: PD and SD type rotors may feature High Carbon (HC) material depending on the specific car model application.
