The DBA 4000 Series Standard Rotor part number DBA42031 is engineered for high-performance applications and is designed to replace the rear rotor on 2009-12 Pontiac G8 GXP models. Featuring a smooth OE style rotor finish, this rotor provides a clean, factory-like appearance while delivering enhanced braking performance. It is ideal for drivers seeking the proven reliability of a 4000 Series rotor with an OE-style look, suitable for controlled race divisions or street use where a sleek, smooth rotor surface is preferred.
Constructed with high-quality materials, the DBA 4000 Series rotor ensures durability, heat dissipation, and consistent braking response. Its precision-machined surface promotes even pad wear and improved rotor life, making it a reliable choice for both daily driving and performance-oriented applications. This rotor is built to meet or exceed OE specifications, ensuring a perfect fit and seamless installation on your Pontiac G8 GXP.
Designed for the rear position, this rotor is a direct replacement that maintains the vehicle’s original braking characteristics while providing the added benefits of a high-performance rotor. Whether upgrading your stock braking system or restoring your vehicle’s original performance, the DBA 4000 Series rotor offers a premium, cost-effective solution for maintaining safe and efficient braking performance.
Features:
- OE style smooth rotor finish for a clean appearance
- High-quality construction for durability and heat dissipation
- Precision-machined surface for even pad wear
- Direct fit replacement for Pontiac G8 GXP rear brakes
- Suitable for street and controlled race applications





















