Raybestos 980315 Disc Brake Rotor - Front

Overview of Raybestos Specialty - Street Performance Rotor

The Raybestos Specialty - Street Performance disc brake rotor 980315 is engineered for Mazda Miata models requiring reliable braking performance. This vented rotor is designed to maintain optimal heat dissipation and consistent stopping power under street driving conditions.

• Compatible with Mazda Miata vehicles
• Vented disc brake rotor for improved cooling
• Overall height: 1.805 inches (45.850 mm)
• Outside diameter: 10.620 inches (269.750 mm)
• Mounting bolt hole quantity: 4 with 100 mm (3.937 inches) bolt circle diameter
• Center hole diameter: 2.168 inches (55.050 mm)
• Nominal thickness: 0.866 inches (22.000 mm)
• Discard thickness: 0.787 inches (20.000 mm)
• Conventional rotor type with 4 stud/lug holes

Detailed Product Description

The Raybestos 980315 disc brake rotor is a vented, conventional type rotor specifically designed for Mazda Miata models. Its vented design enhances heat dissipation during braking, reducing the risk of brake fade in street performance applications. The rotor measures 10.620 inches in outside diameter and has an overall height of 1.805 inches, ensuring proper fitment and clearance within the brake assembly. The nominal thickness of 0.866 inches provides a solid braking surface, while the discard thickness of 0.787 inches indicates the minimum safe thickness before replacement is necessary. The rotor features four mounting bolt holes arranged on a 100 mm bolt circle diameter, matching the Miata’s hub specifications. The center hole diameter of 2.168 inches ensures precise centering on the hub for balanced rotation.

Specialty - Street Performance Product Line

The Raybestos Specialty - Street Performance line focuses on delivering rotors that meet the demands of street-driven vehicles requiring enhanced braking performance without sacrificing durability. This product line balances heat management and structural integrity, making it suitable for Mazda Miata owners who seek dependable braking during spirited driving on public roads.

Common Applications and Issues Addressed

• Replacement for worn or warped rotors on Mazda Miata
• Improves heat dissipation to reduce brake fade during street driving
• Restores proper rotor thickness for consistent braking performance
• Addresses vibration or pulsation caused by uneven rotor surfaces
• Compatible upgrade for maintaining OEM braking specifications

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (0.787 inches) before installation
• Clean rotor surface to remove any protective coating or debris prior to mounting
• Verify bolt hole alignment with the 4-hole, 100 mm bolt circle pattern
• Torque mounting bolts to manufacturer specifications to avoid rotor warping
• Inspect brake pads and calipers for wear during rotor replacement

Quality Assurance and Warranty

Raybestos rotors, including part number 980315, are manufactured to meet strict quality standards for fit, form, and function. The Specialty - Street Performance rotors undergo rigorous testing to ensure durability and consistent braking performance. Warranty coverage details should be confirmed with the product documentation or authorized Raybestos distributors.