Dynamite Friction 7004-47057 Disc Brake Rotor Set - Front and Rear

Drilled and Slotted Rotor Set

The Dynamite Friction DFC Rotors-Drilled and Slotted-Silver rotor set is built for drivers who want direct brake response and OE-style fitment. This Part Number 7004-47057 is made for specific Chevrolet applications, including 2009-2010 Chevrolet HHR with the Performance Package and 2007 Chevrolet Cobalt with Brembo front calipers.

For shoppers searching for 2009-2010 Chevrolet HHR front and rear drilled and slotted brake rotors or 2007 Chevrolet Cobalt front and rear rotor replacement, this set combines performance-oriented surface design with OE-matched construction.

• Drilled and slotted rotor design for improved pad bite
• Helps reduce heat buildup during repeated braking
• Slots help clear brake dust and road debris
• Non-directional finish supports even pad bed-in and quieter stops
• G3000/G11H18 cast iron construction matched to OEM specifications
• 100% inspected for balance and critical dimensions

Product Line Details

The DFC Rotors-Drilled and Slotted-Silver line focuses on performance braking with OE-level fit and finish. Each rotor casting is machined to tight tolerances, then finished to promote stable braking performance and consistent pad contact. The silver GEOSPEC coating helps protect the rotor surface while maintaining a clean appearance.

Part Number 7004-47057 is a direct-fit disc brake rotor set for the listed Chevrolet platforms. It is a practical choice for drivers replacing worn rotors on a Chevrolet HHR or Chevrolet Cobalt and wanting a drilled and slotted rotor design.

Common Brake Issues It Can Address

• Brake fade from heat buildup
• Uneven pad wear from glazed or contaminated rotor surfaces
• Reduced stopping response in wet conditions
• Brake noise caused by rough rotor finish or debris
• Vibration concerns related to rotor balance or wear

Installation Notes

Verify vehicle configuration before ordering: this set fits 2009-2010 Chevrolet HHR, front and rear, with Performance Package, and 2007 Chevrolet Cobalt, front and rear, with Brembo front calipers. Confirm rotor size, caliper type, and axle position against the existing brake system before installation. Proper pad bed-in after installation helps achieve consistent braking performance.

Quality Assurance

DFC machines each rotor to tight tolerances, applies a non-directional finish, and inspects vented rotors for balance before final inspection. The rotors are built to meet OE specifications for durability, reliability, and stability. DFC backs this part with a 12 month or 12,000 mile limited warranty against defects in material and workmanship.