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Raybestos 56703PER Disc Brake Rotor - Rear Right
Overview of Raybestos 56703PER Disc Brake Rotor
The Raybestos 56703PER disc brake rotor is engineered for precision and durability, designed specifically for Cadillac and Chevrolet vehicles including the Corvette and XLR models. This vented rotor offers reliable braking performance with exacting specifications to meet OEM standards.
- Part Number: 56703PER
- Brand: Raybestos
- Brand Line: Specialty - Street Performance; S-Groove Technology
- Rotor Type: Vented disc brake rotor
- Outside Diameter: 12.000 inches (304.8 mm)
- Nominal Thickness: 1.025 inches (26.05 mm)
- Discard Thickness: 0.964 inches (24.5 mm)
- Overall Height: 1.905 inches (48.4 mm)
- Mounting Bolt Hole Quantity: 5
- Center Hole Diameter: 2.782 inches (70.65 mm)
- Mounting Bolt Hole Circle Diameter: 4.750 inches (120.65 mm)
- Mounting Bolt Hole Diameter: 0.526 inches (13.35 mm)
- Stud/Lug Hole Quantity: 5
- Rotor Style: Conventional
Specialty - Street Performance; S-Groove Technology Line
This rotor is part of the Raybestos Specialty - Street Performance; S-Groove Technology line, which focuses on delivering enhanced street performance with improved heat dissipation and consistent braking. The S-Groove design helps reduce brake fade and maintain rotor integrity under demanding driving conditions, making it suitable for performance-oriented Cadillac Corvette and Chevrolet XLR vehicles.
Detailed Product Description
The Raybestos 56703PER vented disc brake rotor features a 12-inch outside diameter and a nominal thickness of 1.025 inches, providing a robust braking surface for effective stopping power. The vented design improves airflow to reduce heat buildup during braking, which helps maintain consistent performance and extends rotor life. With a discard thickness of 0.964 inches, this rotor meets safety standards for replacement intervals. The 5-bolt mounting pattern and 2.782-inch center hole diameter ensure precise fitment on compatible Cadillac and Chevrolet models, including the Corvette and XLR. The conventional rotor style is engineered for straightforward installation and reliable operation.
Applications and Problem Solving
- Compatible with Cadillac Corvette and Chevrolet XLR models requiring a 12-inch vented rotor
- Addresses brake fade caused by excessive heat during spirited driving
- Replaces worn or warped rotors to restore smooth braking performance
- Improves brake pedal feel and reduces vibration
- Suitable for street performance upgrades and routine maintenance
Installation Notes and Tips
- Verify vehicle compatibility with part number 56703PER before installation
- Inspect brake pads and hardware for wear and replace as necessary
- Ensure mounting surfaces are clean and free of debris for proper rotor seating
- Torque mounting bolts to manufacturer specifications to avoid rotor warping
- Perform a brake system bleed after installation to maintain optimal brake performance
Quality Assurance and Warranty
Raybestos disc brake rotors are manufactured to meet or exceed OEM specifications, ensuring consistent quality and performance. The 56703PER rotor undergoes rigorous testing for durability and heat resistance. While specific warranty details are not provided here, Raybestos typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.
| Brand | Raybestos |
|---|---|
| Part Number | 56703PER |
| Position | Specialty - Street Performance; S-Groove Technology, Rear Right |
| Center Hole Diameter | 2.782 |
| Center Hole Diameter | 70.650 |
| Conventional Or Drum-In-Hat Type Rotor | Conventional |
| Discard Thickness | 0.964 |
| Discard Thickness | 24.500 |
| Mounting Bolt Hole Circle Diameter | 4.750 |
| Mounting Bolt Hole Circle Diameter | 120.650 |
| Mounting Bolt Hole Diameter | 0.526 |
| Mounting Bolt Hole Diameter | 13.350 |
| Mounting Bolt Hole Quantity | 5 |
| Nominal Thickness | 1.025 |
| Nominal Thickness | 26.050 |
| Outside Diameter | 12.000 |
| Outside Diameter | 304.800 |
| Overall Height | 1.905 |
| Overall Height | 48.400 |
| Solid Or Vented Type Rotor | Vented |
| Stud/Lug Hole Quantity | 5 |
This part fits 23 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2013 | Chevrolet | Corvette | Base | Rear Right | GM Brake Code JL9; Raybestos Specialty - Street Performance |
| 2012 | Chevrolet | Corvette | Base | Rear Right | GM Brake Code JL9; Raybestos Specialty - Street Performance |
| 2011 | Chevrolet | Corvette | Base | Rear Right | w/o Magnetic Ride Control Suspension; Raybestos Specialty - Street Performance |
| 2010 | Chevrolet | Corvette | Base | Rear Right | w/o Magnetic Ride Control Suspension; Raybestos Specialty - Street Performance |
| 2009 | Cadillac | XLR | Platinum | Rear Right | Raybestos Specialty - Street Performance |
| 2009 | Chevrolet | Corvette | Base | Rear Right | with Standard Duty Brakes; Raybestos Specialty - Street Performance |
| 2008 | Cadillac | XLR | Base | Rear Right | Raybestos Specialty - Street Performance |
| 2008 | Chevrolet | Corvette | Base | Rear Right | with Standard Duty Brakes; Raybestos Specialty - Street Performance |
| 2007 | Cadillac | XLR | Base | Rear Right | Raybestos Specialty - Street Performance |
| 2007 | Chevrolet | Corvette | Base | Rear Right | with Standard Duty Brakes; Raybestos Specialty - Street Performance |
| 2006 | Cadillac | XLR | Base | Rear Right | Raybestos Specialty - Street Performance |
| 2006 | Chevrolet | Corvette | Base | Rear Right | with Standard Duty Brakes; Raybestos Specialty - Street Performance |
| 2005 | Cadillac | XLR | Rear Right | Raybestos Specialty - Street Performance | |
| 2005 | Chevrolet | Corvette | Rear Right | w/o Z51 Package; Raybestos Specialty - Street Performance | |
| 2004 | Cadillac | XLR | Rear Right | Raybestos Specialty - Street Performance | |
| 2004 | Chevrolet | Corvette | Rear Right | Specialty - Street Performance; S-Groove Technology | |
| 2003 | Chevrolet | Corvette | Rear Right | Specialty - Street Performance; S-Groove Technology | |
| 2002 | Chevrolet | Corvette | Rear Right | Specialty - Street Performance; S-Groove Technology | |
| 2001 | Chevrolet | Corvette | Rear Right | Specialty - Street Performance; S-Groove Technology | |
| 2000 | Chevrolet | Corvette | Rear Right | Specialty - Street Performance; S-Groove Technology | |
| 1999 | Chevrolet | Corvette | Rear Right | Specialty - Street Performance; S-Groove Technology | |
| 1998 | Chevrolet | Corvette | Rear Right | Specialty - Street Performance; S-Groove Technology | |
| 1997 | Chevrolet | Corvette | Rear Right | Specialty - Street Performance; S-Groove Technology |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.