PowerStop JBR951EVC Disc Brake Rotor - Rear

Power Stop Rear Genuine Geomet Coated Rotor Overview

The Power Stop - Rear Genuine Geomet Coated Rotor (Part Number JBR951EVC) is engineered specifically for Mazda Miata models requiring reliable rear disc brake rotors. Designed with a solid rotor construction and a rust-resistant Geomet coating, this rotor ensures consistent braking performance and durability under various driving conditions.

• Compatible with Mazda Miata rear brake systems
• Solid disc brake rotor design for stable braking
• Rust-resistant Geomet coating to prevent corrosion
• Nominal thickness of 10.00 mm with discard thickness at 8.00 mm
• Overall height of 34.40 mm and outside diameter of 275.50 mm
• Mounting bolt hole circle diameter of 100.00 mm with 4 lug holes

Detailed Product Features and Specifications

This Power Stop rotor features a solid disc design, providing a consistent braking surface ideal for rear brake applications on the Mazda Miata. The rotor measures 275.50 mm in outside diameter and has an overall height of 34.40 mm, ensuring proper fitment and clearance. The nominal thickness is 10.00 mm, with a discard thickness of 8.00 mm, indicating when the rotor should be replaced to maintain safe braking performance.

The rotor is coated with a genuine Geomet rust-resistant finish, which helps protect against corrosion and extends the rotor's service life. The mounting bolt hole circle diameter is 100.00 mm, accommodating 4 lug holes with a diameter of 3.90 mm, matching the factory specifications for the Mazda Miata rear brake assembly.

About the Power Stop - Rear Genuine Geomet Coated Rotor Line

The Power Stop - Rear Genuine Geomet Coated Rotor product line focuses on delivering rotors with enhanced corrosion resistance through the Geomet coating process. This coating reduces rust buildup, which can affect rotor longevity and braking efficiency. These rotors are designed to meet or exceed OEM specifications, providing a direct replacement option for rear brake systems on compatible vehicles like the Mazda Miata.

Common Applications and Problem Solving

• Replacement for worn or warped rear brake rotors on Mazda Miata
• Addresses rotor corrosion issues caused by exposure to moisture and road salt
• Improves braking consistency by maintaining proper rotor thickness
• Prevents brake judder and vibration from uneven rotor surfaces
• Restores factory-level braking performance for rear disc brakes

Installation Notes and Tips

Ensure the rotor thickness is measured before installation to confirm it meets the nominal thickness of 10.00 mm. Replace the rotor if thickness is below the discard thickness of 8.00 mm. Clean the rotor surface to remove any protective coating residue before mounting. Verify the mounting bolt hole circle diameter of 100.00 mm and the 4 lug holes align correctly with the vehicle hub. Proper torque specifications should be followed when securing the rotor to avoid warping.

Quality Assurance and Warranty

Power Stop rotors are manufactured to meet strict quality standards and OEM fitment requirements. The Geomet coating provides additional protection against rust, contributing to the rotor's durability. While specific warranty details are not provided, Power Stop products typically come with a limited warranty against manufacturing defects. It is recommended to consult the product documentation or manufacturer for exact warranty terms.