Enter your VAT number here and click Verify:
Your details have been verified. VAT number registered to:
,
.
Your order will now be zero rated for VAT purposes. We reserve the right to verify these details after your order request has been made and reinstate VAT if required.
Your VAT details were not recognised or were invalid. Your VAT number must be matched to your Billing Country as specified above. This is currently specified as . You do not need to enter the country code part of your VAT number as this has already been selected in your billing address details above.
The VAT number checking service is currently offline. Please supply your VAT details within the comments or special instructions field below and we will apply a VAT discount after placing your order request.
Black Diamond
Black Diamond for Porsche
Black Diamond is a British performance brand focused on improving car components in both quality of supply and manufacture. For Porsche applications, the most popular products are Black Diamond performance brake discs, chosen by owners looking for an uprated braking feel and response over standard equipment.
A Quick Look at Black Diamond
Black Diamond information on this page is based on details supplied by the manufacturer or distributor, plus any OE references provided with the parts.
Choosing the Right Fit for Your Porsche
Where Black Diamond is listed for Porsche, use the supplied model coverage and OE references to confirm suitability. Check details that commonly affect fitment such as model year, side or axle position, brake system option, and connector or fixing type where relevant.
- Typical reasons to upgrade include improving brake bite and heat performance when standard pads and discs start to feel inconsistent or show signs of fade.
- Common symptoms that prompt replacement are brake fade, squeal, glazing, vibration under braking and uneven wear, often made worse by old fluid or sticking calipers.
- Practical ownership tips include bedding in new pads and discs carefully and renewing old brake fluid to help stabilise pedal feel and performance.
- If noise is a concern, choose more road-oriented compounds and check product descriptions for any guidance on squeal, dust and suitability for daily use.
Browse by Category
If you already know the area you are working on, start with the category and then filter by Porsche model. Where real-world symptoms and typical reasons to replace are provided, use them to keep the diagnosis and upgrade decision grounded.
Brakes — Brake components are renewed to restore safe stopping power, address wear or upgrade a Porsche for fast road or track-focused use. Common symptoms include vibration, longer stopping distances, squealing, pulling to one side, warning lights and visible wear to discs and pads.
Black Diamond Performance Brakes — A focused range of Black Diamond performance discs and pads for Porsche, used where owners want uprated braking bite, better heat control and a more confidence-inspiring pedal for fast-road use compared with standard replacement parts.
Black Diamond Brake Disc DRILLED — Drilled Black Diamond discs offer improved gas evacuation, heat control and a sportier appearance compared with plain discs, helping to maintain consistent pad contact and braking response in demanding road use.
Black Diamond Brake Disc DRILLED & GROOVED — Drilled and grooved Black Diamond discs combine gas venting and pad-surface cleaning to help reduce fade, glazing and uneven transfer layers, aimed at drivers who regularly use their Porsche in more demanding conditions.
Performance Brake Hoses — Braided performance brake hoses are used to replace ageing rubber lines that can swell, crack or balloon, helping to restore a firmer pedal feel, improve response and reduce the sponginess associated with hose expansion.
Explore Black Diamond at Design911
View the current Black Diamond range for Porsche at Design911, then filter by model and category to narrow down to the parts that best match your braking and usage requirements.
FRONT
Price is for a PAIR of discs

Fits:
Porsche 9442.5L Turbo9/1986-9/1988
FRONT Discs: KBD 431
- Type: GROOVED 6 SLOTS
- Diameter: 298 mm
- Thickness New / Min: 28 / 26
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.
- Porsche 944 Turbo 2.5L 8V 1985-88
REAR
Price is for a PAIR of discs

Fits:
Porsche 944 S2.5L 8/1987-89
REAR Discs: KBD 622
- Type: GROOVED 6 SLOTS
- Diameter: 289 mm
- Thickness New / Min: 20 / 18.6
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.
- Porsche 944S 2.5L 16V 1987-88
FRONT
Price is for a PAIR of discs

Fits:
Porsche 944 S2.5L 1986-89
Porsche 9442.7L Lux9/1988-6/1989
FRONT Discs: KBD 430
- Type: GROOVED 6 SLOTS
- Diameter: 282.5 mm
- Thickness New / Min: 20.5 / 19
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.
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
REAR
Price is for a PAIR of discs

Fits:
Porsche 924 1978-88 All models
Porsche 928 4.5L V8 1978-82
Porsche 928 4.7L V8 S 1980-8/1983
Porsche 928 4.7L V8 S2 9/1983-9/1986
Porsche 944 2.5L Lux 1981-89
Porsche 944 2.5L S 1986-87
Porsche 944 2.7L Lux 9/1988-6/1989
REAR Discs: KBD 2152
- Type: GROOVED 6 SLOTS
- Diameter: 289 mm
- Thickness New / Min: 20 / 18.7
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.
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
FRONT

Price is for a PAIR of discs

Fits:
Porsche 914/6 1969-72
Porsche 924 2.0L 1976-85
FRONT Discs: KBD 151
- Type: GROOVED 6 SLOTS
- Diameter: 257 mm
- Thickness New / Min: 13 / 11.5
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.
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 914 (1970-1976)
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.
- 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
FRONT
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
FRONT Discs: KBD 468
- Type: GROOVED 6 SLOTS
- Diameter: 298 mm
- Thickness New / Min: 28 / 26
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.
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
FRONT
Price is for a PAIR of discs

Fits:
Porsche 911 2.2L 1969-74
Porsche 911 2.3L E, S, T 1969-74
Porsche 911 3.0L SC, SC Cabrio1972-83
Porsche 911 Carrera 2.7L / 3.0L1972-83
Porsche 911 Turbo 3.0L / 3.3L 1972-83
Porsche 924 2.0L Turbo 1978-85
Porsche 924 2.5L S 1985-88
Porsche 944 2.5L Lux1981-89
FRONT Discs: KBD 150
- Type: GROOVED 6 SLOTS
- Diameter: 282.5 mm
- Thickness New / Min: 20.5 / 19.1
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.
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
REAR
Price is for a PAIR of discs

Fits:
Porsche 986 Boxster 2.5L 24V 9/1996-8/1999
Porsche 986 Boxster 2.7L 24V 8/1999-11/2004
Porsche 987 Boxster 2.7L 2005>>
REAR Discs: KBD 929
- Type: GROOVED 6 SLOTS
- Diameter: 292mm
- Thickness New / Min: 20 / 18
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.
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster 987 2.7L 2005 -08/08
REAR
Price is for a PAIR of discs

Fits:
Porsche 955 Cayenne 3.2L V6 2003>>
Porsche 955 Cayenne S 4.5L V8 2002>>
Porsche 955 Cayenne 4.5L V8 Twin Turbo 2002>>
REAR Discs: KBD 1235
- Type: GROOVED 12 SLOTS
- Diameter: 330 mm
- Thickness New / Min: 28 / 26
Black Diamond 12 Groove Discs are engineered and made using Computer Aided Design (CAD) and manufacturing to ensure they are finished to the most exacting standards.
The 12 curved radial grooves on each disc face help dissipate heat and de-glaze the pads, offering greater friction under hard braking condition and making them less likely to fade. The result is better pedal feel and improved brake response.
The unique compound and heat treatment after machining combine to provide awesome braking performance that will improve stopping power and give longer lasting durability.
- Porsche 955 Cayenne 3.2L V6 2003-06
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 944 Turbo 2.5L 8V 1985-88
FRONT
Price is for a PAIR of discs

Fits:
Porsche 955 Cayenne 3.2L V6 2003>> (18" Wheels)
Porsche 955 Cayenne S 4.5L V8 2002>>
Porsche 955 Cayenne 4.5L V8 Twin Turbo 2002>>
FRONT Discs: KBD 1234
- Type: GROOVED 12 SLOTS
- Diameter: 350 mm
- Thickness New / Min: 34 / 32
Black Diamond 12 Groove Discs are engineered and made using Computer Aided Design (CAD) and manufacturing to ensure they are finished to the most exacting standards.
The 12 curved radial grooves on each disc face help dissipate heat and de-glaze the pads, offering greater friction under hard braking condition and making them less likely to fade. The result is better pedal feel and improved brake response.
The unique compound and heat treatment after machining combine to provide awesome braking performance that will improve stopping power and give longer lasting durability.
- Porsche 955 Cayenne 3.2L V6 2003-06
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 944 Turbo 2.5L 8V 1985-88
FRONT
Price is for a PAIR of discs

Fits:
Porsche 9442.5L Turbo9/1986-9/1988
FRONT Discs: KBD 431
- Type: GROOVED 12 SLOTS
- Diameter: 298 mm
- Thickness New / Min: 28 / 26
Black Diamond 12 Groove Discs are engineered and made using Computer Aided Design (CAD) and manufacturing to ensure they are finished to the most exacting standards.
The 12 curved radial grooves on each disc face help dissipate heat and de-glaze the pads, offering greater friction under hard braking condition and making them less likely to fade. The result is better pedal feel and improved brake response.
The unique compound and heat treatment after machining combine to provide awesome braking performance that will improve stopping power and give longer lasting durability.
- Porsche 944 Turbo 2.5L 8V 1985-88
REAR
Price is for a PAIR of discs

Fits:
Porsche 944 S2.5L 8/1987-89
REAR Discs: KBD 622
- Type: GROOVED 12 SLOTS
- Diameter: 289 mm
- Thickness New / Min: 20 / 18.6
Black Diamond 12 Groove Discs are engineered and made using Computer Aided Design (CAD) and manufacturing to ensure they are finished to the most exacting standards.
The 12 curved radial grooves on each disc face help dissipate heat and de-glaze the pads, offering greater friction under hard braking condition and making them less likely to fade. The result is better pedal feel and improved brake response.
The unique compound and heat treatment after machining combine to provide awesome braking performance that will improve stopping power and give longer lasting durability.
- Porsche 944S 2.5L 16V 1987-88
FRONT
Price is for a PAIR of discs

Fits:
Porsche 944 S2.5L 1986-89
Porsche 9442.7L Lux9/1988-6/1989
FRONT Discs: KBD 430
- Type: GROOVED 12 SLOTS
- Diameter: 282.5 mm
- Thickness New / Min: 20.5 / 19
Black Diamond 12 Groove Discs are engineered and made using Computer Aided Design (CAD) and manufacturing to ensure they are finished to the most exacting standards.
The 12 curved radial grooves on each disc face help dissipate heat and de-glaze the pads, offering greater friction under hard braking condition and making them less likely to fade. The result is better pedal feel and improved brake response.
The unique compound and heat treatment after machining combine to provide awesome braking performance that will improve stopping power and give longer lasting durability.
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
REAR
Price is for a PAIR of discs

Fits:
Porsche 924 1978-88 All models
Porsche 928 4.5L V8 1978-82
Porsche 928 4.7L V8 S 1980-8/1983
Porsche 928 4.7L V8 S2 9/1983-9/1986
Porsche 944 2.5L Lux 1981-89
Porsche 944 2.5L S 1986-87
Porsche 944 2.7L Lux 9/1988-6/1989
REAR Discs: KBD 2152
- Type: GROOVED 12 SLOTS
- Diameter: 289 mm
- Thickness New / Min: 20 / 18.7
Black Diamond 12 Groove Discs are engineered and made using Computer Aided Design (CAD) and manufacturing to ensure they are finished to the most exacting standards.
The 12 curved radial grooves on each disc face help dissipate heat and de-glaze the pads, offering greater friction under hard braking condition and making them less likely to fade. The result is better pedal feel and improved brake response.
The unique compound and heat treatment after machining combine to provide awesome braking performance that will improve stopping power and give longer lasting durability.
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
FRONT

Price is for a PAIR of discs

Fits:
Porsche 914/6 1969-72
Porsche 924 2.0L 1976-85
FRONT Discs: KBD 151
- Type: GROOVED 12 SLOTS
- Diameter: 257 mm
- Thickness New / Min: 13 / 11.5
Black Diamond 12 Groove Discs are engineered and made using Computer Aided Design (CAD) and manufacturing to ensure they are finished to the most exacting standards.
The 12 curved radial grooves on each disc face help dissipate heat and de-glaze the pads, offering greater friction under hard braking condition and making them less likely to fade. The result is better pedal feel and improved brake response.
The unique compound and heat treatment after machining combine to provide awesome braking performance that will improve stopping power and give longer lasting durability.
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 914 (1970-1976)