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Raybestos 980378PER Disc Brake Rotor - Rear
Overview of Raybestos Disc Brake Rotor 980378PER
The Raybestos Specialty - Street Performance; S-Groove Technology disc brake rotor 980378PER is engineered for Subaru models including the B9 Tribeca, Tribeca, and WRX. Designed to meet precise specifications, this vented rotor ensures reliable braking performance under street driving conditions.
- Compatible with Subaru B9 Tribeca, Tribeca, and WRX
- Part number: 980378PER
- Vented disc brake rotor for improved heat dissipation
- 5 mounting bolt holes with 114.3 mm bolt circle diameter
- Nominal thickness of 18.0 mm and discard thickness of 16.0 mm
- Overall height of 67.3 mm and outside diameter of 319.8 mm
- Center hole diameter of 58.0 mm for precise fitment
- Conventional rotor type with 5 stud/lug holes
Specialty - Street Performance; S-Groove Technology Line
This rotor is part of Raybestos' Specialty - Street Performance; S-Groove Technology line, which focuses on delivering enhanced braking performance for street-driven vehicles. The S-Groove design helps reduce brake fade and improve pad bite, making it suitable for Subaru drivers seeking consistent stopping power during everyday driving and spirited street use.
Technical Specifications and Features
The 980378PER rotor features a vented design that promotes efficient heat dissipation, reducing the risk of brake fade during extended use. With a nominal thickness of 18.0 mm and a discard thickness of 16.0 mm, it maintains structural integrity and safety throughout its service life. The rotor's outside diameter measures 319.8 mm, while the overall height is 67.3 mm, ensuring compatibility with the specified Subaru models. The 5 mounting bolt holes and 5 stud/lug holes with a 114.3 mm bolt circle diameter provide secure installation. The center hole diameter of 58.0 mm allows for precise alignment on the hub.
Applications and Problem Solving
- Replacement for worn or warped rotors on Subaru B9 Tribeca, Tribeca, and WRX
- Addresses brake fade caused by overheating during street performance driving
- Improves braking consistency and pedal feel
- Resolves issues related to rotor thickness below manufacturer specifications
- Suitable for rotors exhibiting scoring or surface damage
Installation Notes and Tips
Ensure the rotor surface and hub mounting area are clean and free of debris before installation. Verify the rotor thickness is within the nominal range and above discard thickness limits. Use proper torque specifications for the 5 mounting bolts to avoid warping. It is recommended to replace brake pads simultaneously to optimize braking performance. Check for any signs of uneven wear or damage on related brake components during installation.
Quality Assurance and Warranty
Raybestos disc brake rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The Specialty - Street Performance; S-Groove Technology line undergoes rigorous quality control to ensure durability and performance. Warranty coverage details should be confirmed with the product documentation or supplier.
| Brand | Raybestos |
|---|---|
| Part Number | 980378PER |
| Position | Specialty - Street Performance; S-Groove Technology, Rear |
| Center Hole Diameter | 2.283 |
| Center Hole Diameter | 58.000 |
| Conventional Or Drum-In-Hat Type Rotor | Conventional |
| Discard Thickness | 0.630 |
| Discard Thickness | 16.000 |
| Inside Diameter | 9.579 |
| Inside Diameter | 243.300 |
| Mounting Bolt Hole Circle Diameter | 4.500 |
| Mounting Bolt Hole Circle Diameter | 114.300 |
| Mounting Bolt Hole Diameter | 0.512 |
| Mounting Bolt Hole Diameter | 13.000 |
| Mounting Bolt Hole Quantity | 5 |
| Nominal Thickness | 0.709 |
| Nominal Thickness | 18.000 |
| Outside Diameter | 12.591 |
| Outside Diameter | 319.800 |
| Overall Height | 2.650 |
| Overall Height | 67.300 |
| Solid Or Vented Type Rotor | Vented |
| Stud/Lug Hole Quantity | 5 |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2014 | Subaru | Tribeca | Rear | Specialty - Street Performance; S-Groove Technology |
| 2013 | Subaru | Tribeca | Rear | Specialty - Street Performance; S-Groove Technology |
| 2012 | Subaru | Tribeca | Rear | Specialty - Street Performance; S-Groove Technology |
| 2012 | Subaru | WRX | Rear | Specialty - Street Performance; S-Groove Technology |
| 2011 | Subaru | Tribeca | Rear | Specialty - Street Performance; S-Groove Technology |
| 2010 | Subaru | Tribeca | Rear | Specialty - Street Performance; S-Groove Technology |
| 2009 | Subaru | Tribeca | Rear | Specialty - Street Performance; S-Groove Technology |
| 2008 | Subaru | Tribeca | Rear | Specialty - Street Performance; S-Groove Technology |
| 2007 | Subaru | B9 Tribeca | Rear | Specialty - Street Performance; S-Groove Technology |
| 2006 | Subaru | B9 Tribeca | Rear | Specialty - Street Performance; S-Groove Technology |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.