Dynamite Friction 4502-80070 Disc Brake Kit - Rear

Rear Brake Kit for Mazda RX-8

The Dynamite Friction DFC GEOSPEC Rotors with 5000 Advanced Brake Pads kit is built for rear brake service on select Mazda RX-8 models. Part number 4502-80070 combines coated rotors and matched friction material in one package for a straightforward rear brake replacement.

• Rear disc brake kit with rotors and pads
• DFC GEOSPEC coated rotors with silver-gray corrosion-resistant finish
• Dry-processed, dry-shipped rotors ready for installation
• Non-directional rotor finish for even pad bed-in and smoother braking
• G3000/G11H18 cast iron rotor specification for OE-style durability and stability
• DFC 5000 Advanced pads with post-cured friction material
• Scorched pad surface to reduce initial break-in time
• Rubber-steel-rubber shims for improved noise, vibration, and harshness control
• 12-month warranty against defects in material and workmanship

Product Line Details

The DFC GEOSPEC rotor line focuses on corrosion protection and installation efficiency. The coated surface helps resist rust better than conventional paint or zinc finishes, while the dry packaging avoids the need to clean oil from the rotor before service. The 5000 Advanced pad line is formulated for stable friction performance and uses premium shims to support quieter operation.

Fitment

• Fits 2009-2011 Mazda RX-8, rear
• Fits 2004-2008 Mazda RX-8, rear, Sport Suspension
• Fits 2004-2008 Mazda RX-8, rear, Normal Suspension

What This Kit Helps Address

• Rear brake wear that causes reduced stopping performance
• Rotor rust and surface corrosion on the braking surface
• Brake noise from worn pads or uneven rotor finish
• Longer pedal travel caused by aged rear brake components
• Uneven braking feel during routine Mazda RX-8 rear brake service

Installation Notes

Fits 2009-2011 Mazda RX-8, rear, and 2004-2008 Mazda RX-8, rear in both Sport Suspension and Normal Suspension configurations. The rotors are shipped dry and ready to install, which reduces prep time during service. For best results, follow proper brake cleaning, torque, and bedding procedures after installation. Part number 4502-80070 is intended for rear axle brake replacement on the listed Mazda RX-8 applications.

Quality Assurance

Each rotor is machined to tight tolerances, finished with a non-directional surface, and inspected for critical dimensions and balance before release. DFC states that every rotor in this kit is covered by a 12-month warranty against defects in material and workmanship. Part number 4502-80070 is built to OE-style specifications for dependable rear brake service.