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Raybestos 56703 Disc Brake Rotor - Rear Right
Overview of Raybestos 56703 Disc Brake Rotor
The Raybestos Specialty - Street Performance disc brake rotor, part number 56703, is engineered for reliable braking on Cadillac and Chevrolet vehicles, specifically the Corvette and XLR models. Designed to meet precise specifications, this rotor ensures consistent performance and durability for street driving conditions.
- Compatible with Cadillac Corvette and Chevrolet XLR models
- Vented disc brake rotor design for improved heat dissipation
- Overall diameter of 12.000 inches (304.8 mm)
- Nominal thickness of 1.025 inches (26.05 mm) with discard thickness at 0.964 inches (24.5 mm)
- Five mounting bolt holes with a bolt circle diameter of 4.750 inches (120.65 mm)
- Center hole diameter of 2.782 inches (70.65 mm)
- Conventional rotor type with solid mounting
Detailed Product Description
This Raybestos disc brake rotor (part number 56703) is part of the Specialty - Street Performance line, which focuses on delivering dependable braking components tailored for street performance applications. The vented rotor design enhances cooling efficiency, reducing the risk of brake fade during extended use. With an outside diameter of 12 inches and a nominal thickness of 1.025 inches, this rotor maintains structural integrity and consistent braking force. The discard thickness of 0.964 inches indicates the minimum safe thickness before replacement is necessary, ensuring safety and performance standards are met.
Applications and Problem Solving
- Replacement rotor for worn or warped brake rotors on Cadillac Corvette and Chevrolet XLR
- Improves heat dissipation to reduce brake fade during spirited street driving
- Restores proper braking performance and pedal feel
- Addresses rotor thickness below manufacturer specifications
- Compatible with vehicles requiring a 5-bolt mounting pattern and 12-inch rotor diameter
Installation Notes and Tips
- Verify rotor dimensions and bolt pattern compatibility with your specific vehicle model
- Inspect brake pads and calipers during installation for optimal performance
- Ensure rotor surface is clean and free of contaminants before mounting
- Torque mounting bolts to manufacturer specifications to avoid rotor warping
- Check discard thickness regularly to maintain safe braking conditions
Quality Assurance and Warranty
Raybestos Specialty - Street Performance rotors are manufactured to meet or exceed OEM standards for fit, form, and function. Each rotor undergoes rigorous quality control to ensure durability and consistent braking performance. While specific warranty details for part number 56703 should be confirmed with the supplier, Raybestos typically offers coverage against defects in materials and workmanship.
| Brand | Raybestos |
|---|---|
| Part Number | 56703 |
| Position | Specialty - Street Performance, 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 | 4.750 |
| Mounting Bolt Hole Diameter | 120.650 |
| 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 24 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2013 | Chevrolet | Corvette | Base | Rear Right | 325mm Front & 305mm Rear Rotor; GM Brake Code JL9; Specialty - Street Performance |
| 2012 | Chevrolet | Corvette | Base | Rear Right | 325mm Front & 305mm Rear Rotor; GM Brake Code JL9; Specialty - Street Performance |
| 2011 | Chevrolet | Corvette | Base | Rear Right | w/o Magnetic Ride Control Suspension; Specialty - Street Performance |
| 2010 | Chevrolet | Corvette | Base | Rear Right | w/o Magnetic Ride Control Suspension; Specialty - Street Performance |
| 2009 | Cadillac | XLR | Platinum | Rear Right | Specialty - Street Performance |
| 2009 | Chevrolet | Corvette | Base | Rear Right | Standard duty disc brake pad set.; Specialty - Street Performance |
| 2008 | Cadillac | XLR | Base | Rear Right | Specialty - Street Performance |
| 2008 | Cadillac | XLR | Platinum | Rear Right | Specialty - Street Performance |
| 2008 | Chevrolet | Corvette | Base | Rear Right | Standard duty disc brake pad set.; Specialty - Street Performance |
| 2007 | Cadillac | XLR | Base | Rear Right | Specialty - Street Performance |
| 2007 | Chevrolet | Corvette | Base | Rear Right | Standard duty disc brake pad set.; Specialty - Street Performance |
| 2006 | Cadillac | XLR | Base | Rear Right | Specialty - Street Performance |
| 2006 | Chevrolet | Corvette | Base | Rear Right | Standard duty disc brake pad set.; Specialty - Street Performance |
| 2005 | Cadillac | XLR | Rear Right | Specialty - Street Performance | |
| 2005 | Chevrolet | Corvette | Rear Right | w/o Z51 Package; Specialty - Street Performance | |
| 2004 | Cadillac | XLR | Rear Right | Specialty - Street Performance | |
| 2004 | Chevrolet | Corvette | Rear Right | Specialty - Street Performance | |
| 2003 | Chevrolet | Corvette | Rear Right | Specialty - Street Performance | |
| 2002 | Chevrolet | Corvette | Rear Right | Specialty - Street Performance | |
| 2001 | Chevrolet | Corvette | Rear Right | Specialty - Street Performance | |
| 2000 | Chevrolet | Corvette | Rear Right | Specialty - Street Performance | |
| 1999 | Chevrolet | Corvette | Rear Right | Specialty - Street Performance | |
| 1998 | Chevrolet | Corvette | Rear Right | Specialty - Street Performance | |
| 1997 | Chevrolet | Corvette | Rear Right | Specialty - Street Performance |
* 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.