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- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 Turbo S 3.0L 1993-94
REAR
Price is for a PAIR of discs

Fits:
Porsche 964 Carrera 2 3.6L 9/1989-11/1993
Porsche 964 Carrera 4 3.6L 9/1989-11/1993
Porsche 964 Carrera RS 3.6L9/1989-11/1993
Porsche 9442.5L Turbo 9/1986-1992
Porsche 9443.0L S2 1986-1992
Porsche 9683.0L 1991-1995
REAR Discs: KBD 469
- Type: GROOVED 6 SLOTS
- Diameter: 299 mm
- Thickness New / Min: 24 / 22
Black Diamond 6 Groove Discs are engineered and made using Computer Aided Design (CAD) and manufactured to ensure they are finished to the most exacting standards.
The 6 Groove range are designed to give a more instant response and greater friction improving braking.
The unique compound and heat treatment after machining combine to provide awesome braking performance that will improve stopping power and give longer lasting durability.
Black Diamond Grooved 6 Brake Discs - Performance Braking with Refined Control & Fade Resistance
Black Diamond Grooved 6 brake discs are engineered to deliver enhanced braking consistency, improved pad contact, and effective heat management for road and fast-road driving. Featuring six precision-machined grooves, these discs continually clean the pad surface, remove brake gases and debris, and maintain stable friction during repeated braking.
Available at Design911, Black Diamond Grooved 6 discs offer a subtle yet effective performance upgrade over plain brake discs, improving pedal response and reducing brake fade while remaining perfectly suited to everyday road use.
What Do Black Diamond Grooved 6 Brake Discs Do?
Grooved 6 brake discs work with quality brake pads and calipers to improve braking efficiency and consistency.
Core Functions:
- Maintain clean, consistent pad-to-disc contact.
- Evacuate brake gases and surface debris.
- Improve heat dissipation during repeated braking.
- Enhance pedal feel and braking response.
- Reduce brake fade during spirited road driving.
The six-groove layout provides controlled pad conditioning without excessive noise or wear.
Why Do Grooved Brake Discs Wear or Fail?
Brake discs are exposed to continuous thermal and mechanical stress.
Common Causes of Wear or Failure Include:
- Thermal
cycling leading to disc wear or surface cracking.
- Repeated
heavy braking accelerating disc wear.
- Heat
build-up reducing braking efficiency over time.
- Surface
corrosion from moisture and road salt.
- Extended service intervals beyond recommended limits.
As discs degrade, braking smoothness and safety are reduced—making replacement essential.
Why Replace with Black Diamond Grooved 6 Brake Discs?
Replacing worn discs with Black Diamond Grooved 6 discs restores braking confidence while adding performance-focused benefits.
Key Benefits:
- Improved braking response over plain discs.
- Enhanced resistance to brake fade.
- Continuous pad surface cleaning for consistent performance.
- Refined pedal feel suitable for daily driving.
- Ideal for road and fast-road performance upgrades.
Grooved 6 discs deliver a balanced improvement without the aggressiveness of heavily grooved or drilled designs.
Highlights
- Six-groove performance brake disc design.
- Improved braking consistency and pad control.
- Enhanced heat management and fade resistance.
- Suitable for everyday road and fast-road use.
- Trusted Black Diamond performance engineering.