HomeBrake > Drums and RotorsDynamite Friction 631-80023R Disc Brake Rotor - Rear Right
Part #: 631-80023R

Dynamite Friction 631-80023R Disc Brake Rotor - Rear Right

DFC Brake Rotor - Drilled and Slotted - Silver, Rear Right
4 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
DFC Brake Rotor - Drilled and Slotted - Silver, Rear Right
Fitment: Mazda, Miata
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Fast Shipping — Most orders ship same business day before 1pm CST

Overview of DFC Brake Rotor for Mazda Miata

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-80023R) is engineered specifically for Mazda Miata models. This solid disc brake rotor features a directional, slotted and drilled surface designed to enhance braking performance and heat dissipation under demanding conditions.

  • Compatible with Mazda Miata vehicles
  • Part number: 631-80023R
  • Solid rotor with drilled and slotted surface
  • Nominal thickness: 9 mm, discard thickness: 8 mm
  • Zinc silver hat finish with rust-resistant coating
  • Directional brake surface for optimized performance
  • 4 bolt holes with 100 mm bolt circle diameter
  • Overall diameter: 231 mm, height: 34.5 mm

Details on the DFC Brake Rotor - Drilled and Slotted - Silver Line

The DFC Brake Rotor - Drilled and Slotted - Silver line by Dynamite Friction offers rotors designed with both drilled holes and slots to improve water and gas evacuation from the braking surface. This design helps maintain consistent braking performance and reduces the risk of brake fade. The zinc silver hat finish provides corrosion resistance, extending rotor life, especially in environments prone to rust. This product line balances durability and performance for street-driven Mazda Miata vehicles requiring reliable braking components.

Technical Specifications and Features

This rotor is a solid type with a nominal thickness of 9 mm and a discard thickness of 8 mm, ensuring a clear maintenance threshold. The rotor’s surface is both drilled and slotted, which aids in heat dissipation and debris removal during braking. The hat is finished in zinc silver and includes a rust-resistant coating to protect against corrosion. It features a directional brake surface, which means the rotor is designed to rotate in a specific direction for optimal performance. The rotor has 4 bolt holes with a 100 mm bolt circle diameter and a center hole diameter of 55 mm, matching the Mazda Miata’s specifications.

Common Applications and Problem Solving

  • Replacement for worn or warped brake rotors on Mazda Miata
  • Improves braking consistency under high heat conditions
  • Reduces brake fade caused by gas and dust buildup
  • Prevents rust and corrosion on braking components
  • Restores proper rotor thickness for safe braking performance

Installation Notes and Tips

Ensure the rotor is installed with the directional surface oriented correctly according to the vehicle’s rotation. Verify bolt hole alignment with the 4-lug pattern and 100 mm bolt circle diameter. It is recommended to inspect brake pads and replace them if worn when installing new rotors. Clean the rotor surface before installation to remove any protective coatings or residues. Torque bolts to manufacturer specifications to avoid rotor warping.

Quality Assurance and Warranty

Dynamite Friction manufactures this rotor to meet OEM specifications for Mazda Miata vehicles. The rust-resistant coating and zinc silver hat finish contribute to long-term durability. While specific warranty details are not provided, Dynamite Friction products typically adhere to industry standards for quality and reliability. Always consult product documentation or the manufacturer for warranty information.

This part fits 4 vehicles. Search below:

YearMakeModelPositionNotes
1993MazdaMiataRear RightDFC Brake Rotor - Drilled and Slotted - Silver
1992MazdaMiataRear RightDFC Brake Rotor - Drilled and Slotted - Silver
1991MazdaMiataRear RightDFC Brake Rotor - Drilled and Slotted - Silver
1990MazdaMiataRear RightDFC Brake Rotor - Drilled and Slotted - Silver

* 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.