Raybestos 56331R Disc Brake Rotor and Hub Assembly - Front

Overview of Raybestos R-Line Disc Brake Rotor and Hub Assembly

The Raybestos R-Line 56331R disc brake rotor and hub assembly is engineered for Chevrolet G30 vehicles requiring reliable brake performance. This assembly combines precision machining and durable materials to meet the specific demands of your vehicle's braking system.

• Compatible with Chevrolet G30 models
• Part number 56331R for accurate identification
• Nominal thickness of 1.285 inches (32.650 mm) ensures proper rotor life
• Discard thickness at 1.215 inches (30.850 mm) for safe replacement guidelines
• Eight mounting bolt holes with a 165.100 mm bolt circle diameter
• Mounting bolt hole diameter of 0.603 inches (15.300 mm) for secure fitment
• Includes eight stud/lug holes for wheel attachment

Detailed Product Specifications

This disc brake rotor and hub assembly features a nominal thickness of 1.285 inches (32.650 mm), providing a solid braking surface designed to withstand heat and wear. The discard thickness is set at 1.215 inches (30.850 mm), indicating when the rotor should be replaced to maintain braking efficiency and safety. The assembly includes eight mounting bolt holes arranged on a 165.100 mm bolt circle diameter, with each hole measuring 0.603 inches (15.300 mm) in diameter, ensuring compatibility with the Chevrolet G30's wheel hub configuration. Additionally, the eight stud/lug holes accommodate the vehicle's wheel studs for proper wheel mounting.

About the Raybestos R-Line Product Line

The R-Line by Raybestos is a product line designed to provide dependable brake components that meet or exceed OEM specifications. This line focuses on delivering consistent performance and durability, making it suitable for vehicles like the Chevrolet G30 that require precise fitment and reliable braking under various driving conditions.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Chevrolet G30
• Addresses brake pulsation caused by uneven rotor thickness
• Restores proper wheel hub alignment and secure mounting
• Solves issues related to rotor thickness below manufacturer discard limits
• Improves braking stability and reduces noise from damaged rotors

Installation Notes and Tips

Ensure the vehicle is securely lifted and supported before beginning installation. Verify that the mounting bolt hole pattern and stud/lug hole quantity match the Chevrolet G30 specifications. Measure rotor thickness to confirm replacement necessity, adhering to the discard thickness of 1.215 inches (30.850 mm). Clean the hub surface before mounting the new assembly to prevent uneven wear. Torque all bolts to manufacturer specifications to maintain safety and performance.

Quality Assurance and Warranty

Raybestos R-Line brake components are manufactured to meet stringent quality standards, ensuring consistent performance and durability. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty against defects in materials and workmanship. Refer to Raybestos documentation for exact warranty terms related to part number 56331R.