Raybestos 56703R Disc Brake Rotor - Rear Right

Overview of Raybestos R-Line Disc Brake Rotor 56703R

The Raybestos R-Line Disc Brake Rotor 56703R is engineered for reliable braking performance on select Cadillac and Chevrolet vehicles. Designed specifically for models like the Corvette and XLR, this vented rotor meets precise specifications to maintain optimal stopping power and durability.

• Vented disc brake rotor 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 compatible with drum-in-hat systems
• Designed for vehicles with 5 stud/lug holes

Detailed Product Specifications

This Raybestos R-Line rotor features a vented design that enhances cooling during braking, reducing the risk of brake fade under demanding conditions. The rotor's overall height measures 1.905 inches (48.4 mm), ensuring proper fitment and clearance within the brake assembly. With a nominal thickness of 1.025 inches (26.05 mm), the rotor provides a solid braking surface, while the discard thickness of 0.964 inches (24.5 mm) indicates the minimum thickness before replacement is necessary. The 5-bolt mounting pattern with a 4.750-inch (120.65 mm) bolt circle diameter and a center hole diameter of 2.782 inches (70.65 mm) ensures compatibility with the specified Cadillac and Chevrolet models.

R-Line Product Line Information

The Raybestos R-Line series is designed to offer dependable performance for a range of vehicles requiring quality brake components. This product line focuses on delivering rotors that meet or exceed OEM specifications, providing consistent braking performance and durability. The 56703R rotor is part of this line, engineered to maintain the integrity and safety standards expected in professional automotive repair and maintenance.

Applications and Problem Solving

• Replacement for worn or warped rotors on Cadillac Corvette and Chevrolet XLR models
• Addresses brake pulsation caused by uneven rotor surfaces
• Improves heat dissipation to reduce brake fade during heavy use
• Restores proper rotor thickness to maintain braking efficiency
• Compatible with vehicles requiring a 5-lug vented rotor with conventional mounting

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness before installation
• Clean mounting surfaces to prevent rotor runout and vibration
• Torque mounting bolts to manufacturer specifications for secure fitment
• Inspect brake pads and replace if worn to optimize rotor performance
• Check compatibility with vehicle’s drum-in-hat brake system prior to installation

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet strict quality standards, ensuring consistent performance and durability. While specific warranty details for part number 56703R should be confirmed with the supplier, Raybestos typically offers limited warranties covering defects in materials and workmanship. Proper installation and maintenance are essential to maximize the service life of this disc brake rotor.