DBA DBA42991S 4000 Series T3 Rear Brake Rotor for 2005-2013 Corvette C6 Z51

Vehicle Fitment

• 2005-2013 Chevrolet Corvette C6 (Rear, Z51 Performance Package)
• 2006-2009 Cadillac XLR (Rear, Base/Platinum/V trims, RWD)

Features

• DBA 4000 Series T3 high-performance single-piece rear rotor
• Tri-symmetrical slotted design for improved pad bite and heat control
• Kangaroo Paw ventilation system with 144 internal cooling pillars
• XG150 high-carbon alloyed iron construction for durability
• Thermal Stability Profiling (TSP) reduces internal stresses
• Bi-directional slot pattern - universal left/right use
• Vented rotor design for maximum heat dissipation under heavy braking
• CNC precision machining for consistent pad contact and quiet operation

Specifications

• Part Number: DBA42991S
• Series: 4000 Series T3 Performance Rotor
• Position: Rear axle
• Outside Diameter: 330 mm
• Nominal Thickness: 26 mm; Minimum Thickness: ~24 mm
• Bolt Pattern: 5 x 120.65 mm
• Center Bore: 70.7 mm
• Material: XG150 high carbon alloyed iron
• Rotor Type: Vented with precision slotted surface

Included Components

• 1x DBA 4000 Series T3 Rear Brake Rotor (DBA42991S)

Product Description

The DBA 42991S 4000 Series T3 Rear Brake Rotor is a direct-fit high-performance replacement rotor engineered for select Chevrolet Corvette C6 models with the Z51 performance package and Cadillac XLR trims. Featuring DBA's patented tri-symmetrical slot design, this rotor improves brake pad bite, accelerates heat and gas evacuation, and maintains consistent braking under demanding street and track conditions. The advanced Kangaroo Paw ventilation system increases cooling efficiency to reduce fade, while high carbon alloyed iron and Thermal Stability Profiling enhance strength and durability.

Ideal for performance drivers seeking reduced fade, improved brake feel, and enhanced durability over standard OEM rotors, the DBA42991S delivers dependable stopping power in spirited driving, track days, or daily use. As a direct replacement rear rotor, it installs easily into factory mounting locations and pairs well with performance brake pads for optimized performance.