Raybestos 980378 Disc Brake Rotor - Rear

Overview of Raybestos Specialty - Street Performance Rotor

The Raybestos Specialty - Street Performance disc brake rotor, part number 980378, is engineered for Subaru models including the B9 Tribeca, Tribeca, and WRX. Designed to meet specific fitment requirements, this rotor offers reliable braking performance with precise dimensions and vented construction.

• Vented disc brake rotor with drum-in-hat design
• Outside diameter: 12.589 inches (319.75 mm)
• Nominal thickness: 0.704 inches (17.9 mm)
• Discard thickness: 0.630 inches (16.0 mm)
• Overall height: 2.654 inches (67.4 mm)
• Mounting bolt hole quantity: 5 with 4.5 inch (114.3 mm) bolt circle diameter
• Stud/lug hole quantity: 5

Detailed Product Description

This Raybestos disc brake rotor (part number 980378) is designed specifically for Subaru B9 Tribeca, Tribeca, and WRX vehicles, ensuring proper fit and function. The rotor features a vented design that helps dissipate heat more effectively during braking, reducing the risk of brake fade under street performance conditions. The drum-in-hat type rotor integrates a parking brake drum, providing a compact and efficient braking solution. With an outside diameter of 12.589 inches and a nominal thickness of 0.704 inches, this rotor meets the precise specifications required for these Subaru models. The mounting bolt pattern includes five holes on a 4.5 inch (114.3 mm) bolt circle diameter, matching factory configurations for straightforward installation.

Specialty - Street Performance Product Line

The Raybestos Specialty - Street Performance line focuses on delivering rotors that balance everyday drivability with enhanced street performance. This product line is tailored for drivers who require dependable braking with improved heat management and durability. The 980378 rotor exemplifies this approach by combining vented rotor technology with a drum-in-hat design, suitable for Subaru vehicles that demand consistent braking under varied driving conditions.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Subaru B9 Tribeca, Tribeca, and WRX
• Improves heat dissipation to reduce brake fade during spirited driving
• Restores proper braking performance and pedal feel
• Addresses rotor thickness below discard limits (0.630 inches)
• Compatible with vehicles requiring a 5-bolt mounting pattern and drum-in-hat rotor design

Installation Notes and Tips

• Verify rotor dimensions and bolt pattern match your Subaru model before installation
• Inspect brake pads and hardware for wear and replace as needed
• Ensure proper torque specifications on mounting bolts to avoid rotor warping
• Clean rotor surface with brake cleaner before installation to remove any protective coatings
• Check parking brake function after installation due to drum-in-hat design

Quality Assurance and Warranty

Raybestos rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The Specialty - Street Performance rotors undergo rigorous quality control to ensure consistent performance and durability. While specific warranty details for part number 980378 should be confirmed with the distributor, Raybestos typically offers limited warranties covering defects in materials and workmanship.