Raybestos 5040 Disc Brake Rotor and Hub Assembly - Front

Overview of Raybestos Specialty - Street Performance Rotor and Hub Assembly

The Raybestos Specialty - Street Performance Disc Brake Rotor and Hub Assembly part number 5040 is engineered for reliable braking performance on select Buick, Chevrolet, Oldsmobile, and Pontiac models. Designed to meet specific fitment requirements, this rotor and hub assembly ensures proper fit and function for vehicles such as the Camaro, Impala, Bonneville, and Firebird.

• Compatible with 5-lug bolt pattern vehicles including Buick, Chevrolet, Oldsmobile, and Pontiac
• Mounting bolt hole circle diameter options: 120.65 mm and 4.75 inches
• Mounting bolt hole diameter: 0.535 inches (13.6 mm)
• Nominal rotor thickness: 1.035 inches (26.3 mm)
• Discard thickness: 0.965 inches (24.5 mm)
• Includes integrated hub assembly for simplified installation

Detailed Product Specifications and Features

This Raybestos rotor and hub assembly (part number 5040) features a 5-stud lug hole configuration designed to fit vehicles with a 5-bolt mounting pattern. The mounting bolt hole circle diameter is specified at 120.65 mm (4.75 inches), with each mounting hole measuring 0.535 inches (13.6 mm) in diameter. The rotor's nominal thickness is 1.035 inches (26.3 mm), providing sufficient material for effective braking, while the discard thickness is set at 0.965 inches (24.5 mm), indicating the minimum safe thickness before replacement is necessary. This assembly is engineered to meet the demands of street performance driving, offering consistent braking response and durability.

Specialty - Street Performance Product Line

The Raybestos Specialty - Street Performance line focuses on components designed for street-driven vehicles requiring enhanced braking capabilities without compromising OEM fitment. This product line balances performance and reliability, making it suitable for muscle cars and classic models such as the Chevrolet Camaro and Pontiac Firebird. The 5040 rotor and hub assembly is part of this line, providing a direct replacement that supports both everyday driving and spirited street performance.

Applications and Common Issues Addressed

• Replacement for worn or warped rotors causing brake pulsation
• Solution for rotor thickness below manufacturer discard limits
• Upgrade for vehicles experiencing uneven brake pad wear
• Repair for damaged or corroded hub assemblies affecting wheel alignment
• Restoration of proper mounting bolt hole alignment for secure wheel attachment

Installation Notes and Tips

• Verify vehicle compatibility with 5-lug bolt pattern and 120.65 mm bolt circle diameter
• Inspect wheel studs and mounting surfaces for damage before installation
• Ensure rotor thickness meets or exceeds nominal thickness specifications
• Torque mounting bolts to manufacturer specifications to avoid warping
• Use proper brake lubricant on hub contact surfaces to prevent corrosion

Quality Assurance and Warranty

Raybestos maintains strict quality control standards for the Specialty - Street Performance line, including part number 5040. Each rotor and hub assembly undergoes dimensional and material inspections to ensure compliance with OEM specifications. While specific warranty details are not provided here, Raybestos products typically include coverage against manufacturing defects. Consult product documentation or manufacturer resources for exact warranty terms.