HomeRaybestos 980378PER Disc Brake Rotor - Rear
Part #: 980378PER

Raybestos 980378PER Disc Brake Rotor - Rear

Specialty - Street Performance; S-Groove Technology, Rear
10 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Specialty - Street Performance; S-Groove Technology, Rear
Fitment: Subaru, Tribeca, WRX, and B9 Tribeca
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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.

BrandRaybestos
Part Number980378PER
PositionSpecialty - Street Performance; S-Groove Technology, Rear
Center Hole Diameter2.283
Center Hole Diameter58.000
Conventional Or Drum-In-Hat Type RotorConventional
Discard Thickness0.630
Discard Thickness16.000
Inside Diameter9.579
Inside Diameter243.300
Mounting Bolt Hole Circle Diameter4.500
Mounting Bolt Hole Circle Diameter114.300
Mounting Bolt Hole Diameter0.512
Mounting Bolt Hole Diameter13.000
Mounting Bolt Hole Quantity5
Nominal Thickness0.709
Nominal Thickness18.000
Outside Diameter12.591
Outside Diameter319.800
Overall Height2.650
Overall Height67.300
Solid Or Vented Type RotorVented
Stud/Lug Hole Quantity5

This part fits 10 vehicles. Search below:

YearMakeModelPositionNotes
2014SubaruTribecaRearSpecialty - Street Performance; S-Groove Technology
2013SubaruTribecaRearSpecialty - Street Performance; S-Groove Technology
2012SubaruTribecaRearSpecialty - Street Performance; S-Groove Technology
2012SubaruWRXRearSpecialty - Street Performance; S-Groove Technology
2011SubaruTribecaRearSpecialty - Street Performance; S-Groove Technology
2010SubaruTribecaRearSpecialty - Street Performance; S-Groove Technology
2009SubaruTribecaRearSpecialty - Street Performance; S-Groove Technology
2008SubaruTribecaRearSpecialty - Street Performance; S-Groove Technology
2007SubaruB9 TribecaRearSpecialty - Street Performance; S-Groove Technology
2006SubaruB9 TribecaRearSpecialty - 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.