Dixcel FS Replacement Rotor Rings
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Dixcel FS Replacement Rotor Rings (Pair) - 355x32mm 12-Slot - AP CP4542-106/107 / CP4542-306/307 / Alcon DIV2146 / DBA 52750.1
Refresh your two-piece big brake kit with Dixcel FS replacement rotor rings, engineered in Japan and developed through decades of OEM supply and motorsport experience. Dixcel rotor rings are designed to deliver consistent braking performance, stable pedal feel, and reliable control under demanding circuit and trackday conditions, while preserving the aluminium centre hats, mounting bobbins, and hardware from your existing two-piece BBK setup.
This listing covers a matched left and right pair of 355x32mm 12-slot Dixcel FS replacement friction rings (part number FS-35532A22R/23L). These rings are designed as direct cross-references for popular two-piece big brake kits from AP Racing, Alcon, and DBA, with matching dimensions, mounting PCD, and bolt pattern. The 12-slot pattern delivers improved bite, gas evacuation, and pad cleaning compared to plain rotors, while the ring-only design significantly reduces both replacement cost and rotational mass compared to full two-piece rotor assemblies.
Compatible Big Brake Kit Applications
- AP Racing CP4542-106 / CP4542-107 / CP4542-106/107 (paired set)
- AP Racing CP4542-306 / CP4542-307 / CP4542-306/307 (paired set)
- Alcon DIV2146X717 / DIV2146X717C24L / DIV2146X717C24R (paired set)
- DBA 52750.1 (5000 Series two-piece replacement ring)
- Other manufacturers' two-piece BBKs sharing 355mm OD, 32mm thickness, 244mm ID, 215.9mm mounting PCD, and 12 x 6.4mm bolt holes
Rotor Ring Specifications
- Dixcel Part Number: FS-35532A22R/23L (paired set)
- Dixcel Reference: AP 355 x 32 / CP4542-106/107
- Slot Pattern: SLIT-12 (12 directional slots)
- Outer Diameter: 355.0mm
- Thickness: 32.0mm
- Inner Diameter: 244.0mm
- Hat Bore: 195.0mm
- Mounting PCD: 215.9mm
- Mounting Holes: 12 x 6.4mm
- Mounting Hardware: M8 (8.0 x 8.0mm)
- Heat Capacity: 39,000 / 78,000 (per ring / paired)
- Sold As: Pair (Left and Right)
- Origin: Made in Japan
Important Fitment Notes
- This product is a replacement rotor ring only - aluminium hats, mounting bobbins, and hardware are NOT included. You must reuse the centre hat and hardware from your existing two-piece BBK or pair these rings with a compatible new hat.
- Confirm your current rotor's outer diameter, thickness, mounting PCD, and bolt hole pattern match the specifications above before ordering.
- Two-piece replacement rings allow significant cost savings compared to replacing an entire two-piece rotor assembly when only the friction ring is consumed.
- Cross-reference part numbers and specifications with your BBK manufacturer's documentation if your specific kit is not listed above.
BBK manufacturer cross-references, dimensions, and fitment notes are provided in the tabs above. Please ensure your existing rotor specifications, BBK kit details, and hardware compatibility are confirmed before ordering.
Vehicle Compatibility
| Manufacturer | Part Number / BBK Reference | Rotor Type | Dimensions | Notes |
|---|---|---|---|---|
| AP Racing | CP4542-106 / CP4542-107 / CP4542-106/107 | Two-Piece Replacement Ring | 355 x 32mm | Direct cross-reference / 12-bolt mount / 215.9mm PCD / Paired set |
| AP Racing | CP4542-306 / CP4542-307 / CP4542-306/307 | Two-Piece Replacement Ring | 355 x 32mm | Direct cross-reference / 12-bolt mount / 215.9mm PCD / Paired set |
| Alcon | DIV2146X717 / DIV2146X717C24L / DIV2146X717C24R | Two-Piece Replacement Ring | 355 x 32mm | Direct cross-reference / 12-bolt mount / 215.9mm PCD / Paired set |
| DBA (Disc Brakes Australia) | 52750.1 | 5000 Series Two-Piece Replacement Ring | 355 x 32mm | Direct cross-reference / 12-bolt mount / 215.9mm PCD |
| Universal | Two-Piece BBK with matching dimensions | Replacement Friction Ring | 355 x 32mm / 244mm ID / 215.9mm PCD / 12 x 6.4mm | Confirm existing rotor specs before ordering |
No instructions available for this product.
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
Improved effectiveness and reduced dust. Perfect for JDM city driving.
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.
FAQ
DIXCEL Brake Pads – Frequently Asked Questions
DIXCEL pads are engineered in Japan to provide improved stopping power, stronger pedal feel, heat resistance and long-term durability. They offer a more controlled braking feel than OEM pads, especially under repeated braking.
- EC Type: Daily street use – quiet & comfortable.
- Premium Type: OEM-plus upgrade for comfort & usability.
- M Type: Ultra-low dust – keeps wheels clean.
- ES Type: Spirited driving & winding roads.
- S Type: Street-sports & occasional track.
- Z Type: Street → supersprints → light circuit.
- RE / Specom B: Motorsport-only – not suitable for road use.
Most street-compound DIXCEL pads include wear sensors if the vehicle requires them. Some cars do not use sensors at all. If your vehicle normally runs a wear sensor and the pad set does not include one, a replacement sensor can be added separately as an optional extra.
Street-focused pads generally include anti-squeal shims and grease. Motorsport compounds typically do not include shims due to high temperature operation and racing caliper design.
Pad life depends heavily on vehicle weight, brake temperature, pad compound and driving style. Gentle daily commuting will see much longer life than repeated hard braking, spirited driving or track use, which can wear pads significantly faster.
Street compounds are designed to minimise noise. Motorsport pads may squeal when cold or lightly used – this is normal behaviour at race-level temperatures.
Yes — bedding-in is essential for correct friction transfer. Perform several medium-pressure stops to apply material to the rotor, followed by light driving to cool the brakes before heavy use.
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