DBA DBA42020S 4000 Series T3 Slotted Front Rotor for 2005-2006 Pontiac GTO V8

Vehicle Fitment

• 2005-2006 Pontiac GTO (Front Brake Rotor, 5.7L/6.0L V8, RWD)

Features

• 4000 Series T3 high-performance slotted front brake rotor
• CNC-machined tri-symmetrical slots for improved dust and gas evacuation
• Patented Kangaroo Paw ventilation with advanced cooling pillars
• High carbon alloyed iron with Thermal Stability Profiling (TSP)
• Symmetrical slot design allows universal left/right installation
• Enhanced pedal feel and response over OEM rotors
• Direct OE-replacement performance upgrade
• Ideal for street performance, spirited driving, and moderate track use

Specifications

• Brand: DBA (Disc Brakes Australia)
• Part Number: DBA42020S
• Series: 4000 Series T3
• Position: Front axle brake rotor
• Surface Type: Vented, slotted
• Outer Diameter: 320 mm
• Nominal Thickness: 32 mm
• Minimum Thickness: 30 mm
• Height: 83 mm
• Centering Diameter: 72 mm
• Bolt Pattern: 5x120 mm (5-lug)

Included Components

• 1x DBA42020S 4000 Series T3 Slotted Front Brake Rotor (sold individually)

Product Description

The DBA DBA42020S 4000 Series T3 Slotted Front Brake Rotor is engineered as a high-performance direct replacement for the front brakes of the 2005-2006 Pontiac GTO with 5.7L and 6.0L V8 engines. Featuring a tri-symmetrical slot design and patented Kangaroo Paw ventilation, this rotor enhances heat dissipation and braking consistency compared with standard OEM rotors. The T3 slot pattern increases exit points for brake pad dust and gases, improving pedal feel and braking response.

Constructed from high carbon alloyed iron with Thermal Stability Profiling, the DBA42020S rotor is designed to withstand stress and heat under demanding driving conditions. Its symmetrical slot layout allows universal left/right installation and provides a performance upgrade suitable for spirited street use, weekend drives, and moderate track exposure. As a direct OE replacement, this rotor fits seamlessly with the GTO's factory calipers and mounting hardwa