Paragon Performance Rotor Rings 355mm x 32mm - P.C.D. 215.9mm - I.D. 244mm - 12x6.4mm Mounting - D55
Paragon Performance Rotor Rings 355mm x 32mm - P.C.D. 215.9mm - I.D. 244mm - 12x6.4mm Mounting - D55 is backordered and will ship as soon as it is back in stock.
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Paragon Performance Rotor Rings 355mm x 32mm - P.C.D. 215.9mm - I.D...
Paragon Performance Rotor Rings 355mm x 32mm - P.C.D. 215.9mm - I.D. 244mm - 12x6.4mm Mounting - D55
Direct Replacement of: AP Racing part # CP4542-106/7 (CP4542-106 / CP4542-107 / CP4542-106/107) | AP Racing CP4542-306/7 (CP4542-306 / CP4542-307 / CP4542-306/307) | Alcon DIV2146X717C24L/R | DBA52750.1
Paragon Performance rotor rings deliver race-proven braking performance with precision engineering and superior heat management. These 355mm x 32mm directional vane rotor rings are designed for high-performance and track applications requiring P.C.D. 215.9mm mounting and D55 offset configuration.
Application: Direct replacement for AP Racing CP4542 series calipers and compatible brake systems requiring 355mm diameter, 32mm thickness, 215.9mm bolt circle diameter, and 12x6.4mm round mounting.
Paragon Performance rotor rings feature directional ventilation vanes that create suction and turbulence, guiding cool air through the rotor for improved heat dissipation and increased resistance to cracking under harsh track conditions. Run up to 30% cooler than OE rotors with up to 30% increased cooling efficiency.
Manufactured from CM-250 special formulated high carbon alloy cast iron, these rotor rings deliver optimal bite, superior thermal characteristics, high-temperature strength, and long-term durability. Each ring is heat treated to release internal stress and prevent deformation and vibration, then finished with state-of-the-art CBN surface machining for better break-in with new brake pads.
The floating 2-piece design allows thermal expansion of the rotor while minimising deformation and ensuring the rotor remains self-centred with the pads. Lateral run-out is kept within 0.03mm with weight variations within 2 grams for exceptional balance. The slotted face pattern improves braking consistency by maintaining a clean contact surface, dissipating heat and gases, and preventing water film formation in wet conditions.
Weighing just 7.67 kg (16.91 lbs), these rotor rings reduce unsprung mass compared to most OE rotors while maintaining proper thermal capacity for improved overall handling.
Specifications:
| Diameter | 355mm (13.98") |
| Thickness (new) | 32mm (1.26") |
| Type | Floating 2-Piece |
| Face Pattern | Slotted |
| Vented/Solid | Vented |
| Number of Vanes | 48 |
| Friction Ring Material | CM-250 High Carbon Alloy Cast Iron |
| P.C.D. (Bolt Circle) | 215.9mm |
| Internal Diameter | 244mm |
| Number of Mountings | 12 |
| Mounting Size | 6.4mm (Round) |
| Offset | D55 |
| Weight | 7.67 kg (16.91 lbs) |
| Fitment | Left/Right (L/R) pair |
Cross Reference:
| AP Racing | CP4542-106/7 (CP4542-106 / CP4542-107 / CP4542-106/107) |
| AP Racing | CP4542-306/7 (CP4542-306 / CP4542-307 / CP4542-306/307) |
| Alcon | DIV2146X717C24L/R (DIV2146X717 / DIV2146X717C24L / DIV2146X717C24R) |
| DBA | DBA52750.1 |
Sold as a pair (LH & RH) including detailed installation manual.
Typically ships within 2–3 business days from our Australian warehouse. International orders may require additional lead time. Contact us if you need assistance confirming fitment or cross-referencing part numbers.
Why Paragon Performance?
- ✓ Direct OE Replacement: Engineered to exact AP Racing and Alcon specifications
- ✓ Premium Materials: CM-250 high carbon alloy cast iron for consistent performance
- ✓ Thermal Efficiency: Directional vane design runs up to 30% cooler than OE rotors
- ✓ Race Proven: Trusted by professional motorsport teams worldwide
- ✓ Quality Assurance: CBN machined to strict tolerances with <0.03mm lateral run-out
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