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Courtenay Sport Brakes

Courtenay Sport have joined forces with leading brake manufacturers, to design a range of uprated brakes that will provide optimum performance without warping. They are effective from cold, don't squeal at low speeds and stay fade free at very high temperatures, ideal for all fast road and track day applications.

How do 'normal' brake discs work?
As the brakes work the wearing of the pads and discs create a dust between them, thereby reducing 'feel' and responsiveness to light pressure. Also, when the pads get very hot under hard braking they release gas from the friction surface which 'lifts' the pad off the surface of the disc. To overcome the resultant fade you push harder, increasing the heat, increasing the gas... and so on.

Courtenay Sport Performance Brakes

Courtenay Sport use brake components from well known and respected manufacturers, who not only supply components for aftermarket use, but also supply to manufacturers for OE fitment and are used for motorsport applications. Our uprated disc and pad combinations are ideal for fast road and light track day use and will dramatically improve your cars stopping ability giving the driver greater feel and confidence. Furthermore the brakes that we offer here are tested on our own cars, to ensure that we only offer a set up that we are happy to choose ourselves.
Courtenay Sport's Uprated 16 grooved brake discs give instant response under the most demanding driving conditions. They provide superior brake fade characteristics over a wide temperature range and exceptional performance from cold up to 800 o C.

We source high quality discs, for all our applications, and have them machined specifically to suit the required application. Our choice of discs come from a wide range of suppliers to ensure best performance, especially when used with our selected choice of uprated fast road brake pad.

Do they work?
Emphatically, yes! The difference always surprises people; they feel like bigger brakes and perform like bigger brakes.

EBC GD Sport Discs

EBC Turbo Groove Disc EBC's wide groove discs are designed to pull cool air under the pad surface and between the disc to help both pad and disc cooling. EBC's "Blind Drilled" dimples help break down surface gasses but do not promote cracking, which has been known to occur, especially on fast road and track day use with conventional "Through Drilled" discs.

As well as aiding cooling, the grooves in the disc surface also allow dirt, dust, gasses, debris and grit to escape from between the disc and pad surface, especially under heavy braking. The grooves and dimples also keep the pad surface de-glazed throughout its useful life.

EBC sport discs are also coated to help prevent from corrosion in areas which are not swept by the pad to help them stay looking better for longer. Optimum brake performance is reached once the coating is removed from the pad contact area, which when used with EBC ceramic pads and the special brake in coating on their surface  will often occur in as little as 50 miles.
Groove direction to be fitted in accordance with the information supplied on the disc packaging.
As with our own 16G discs it is normal to expect a little additional brake noise from these discs during normal use.

Courtenay Sport 16 Groove and 8 Groove Discs

Courtenay Sport offer a range of 16 Groove discs for the front and 8 Groove discs for the rear for most of the popular models. The grooves not only sweep the pad to keep it clean, but they also allow extra cooling air to be drawn between the disc and the pad surface to aid cooling whilst allowing any gasses and dust to be thrown clear of the disc and pad surface, helping improve stopping ability. Ideal for fast road and light track use. Available for most popular applications.

The discs can be fitted with the groove either facing forwards for fast road use, or rearwards for a more aggressive pad cut.
322mm Courtenay 16 Grooved VXR Front Disc
Full Size Image - Click Here
16G disc shown fitted.


(Prices are correct at time of publishing, but may be subject to change without notice. If your vehicle is not listed please ask. E&OE)
Model EBC GD
Sport Front
Front 16G
Sport Rear
Rear 8G
Nova GTE/GSi £132.75 N/A N/A N/A
Corsa 1.4 £132.75 N/A N/A N/A
Corsa 1.6 16v £145.55 N/A N/A N/A
Astra Mk3 1.8 16v £127.95 N/A £127.95 N/A
Astra Mk2 2.0 16v £127.95 N/A £127.95 N/A
Astra Mk3 2.0 16v £127.95 N/A £127.95 N/A
Astra G 1.4 16v/1.6 16v/
1.8 (Non ABS)/1.7/2.0D 4 Stud
£132.50 N/A N/A £148.95
Astra G 1.8 16v(ABS)/
2.0 16v/2.2 16v (5 Stud - 280mm)
£132.50 £148.95 £102.10 £148.95
Astra G GSi Turbo
(5 Stud - 308mm)
£171.00 £195
Mintex Disc
£102.10 £148.95
Astra Coupe 1.6/1.8/2.2
(5 Stud - 280mm)
£132.50 £148.95 £102.10 £148.95
Astra Coupe Turbo £171.00 £195
Mintex Disc
£102.10 £148.95
Astra Convertible
(5 Stud - 280mm)
£132.50 £148.95 £102.10 £148.95
Astra Convertible Turbo £164.95 £195
Mintex Disc
£102.10 £145
Astra G
5 Stud - 322mm
£153.50 £222 N/A N/A
Zafira A 1.6/1.8/2.2/2.0D
(5 Stud - 280mm)
£132.50 £148.95 £102.10 £148.95
Zafira A GSi Turbo £171.00 £195
Mintex Disc
£102.10 £148.95
Zafira A
5 Stud - 322mm
£153.50 £222 N/A N/A
Astra H 2.0 Turbo(Z20LEL/Z20LER)/
1.9 CDTi (120/150PS)
£171.00 £195
Mintex Disc
£102.10 £148.95
Corsa VXR £171.00 £195
Mintex Disc
£120 £182.95
Corsa VXR Nürburgring - £232.20 - 8G
OE Disc
£120 -
Corsa VXR Nürburgring - £160.20 - Plain
OE Disc
£120 -
Meriva VXR £171.00 £195
Mintex Disc
£102.10 £148.95
Astra VXR £165 £222 £119.00 £156.00
Astra G/H inc VXR
292mm Vented Rear Discs
£174.50 £180.00
Brembo Disc
Zafira VXR £165 £222 £119.00 £188.95
Vectra VXR £240.00 £305.50 £174.50 £180
VX220 2.2 16v &
2.0 16v Turbo
£147.00 £142.50
Brembo Disc
£147.00 £142.50
Brembo Disc
Vectra 1.8 16v (95-00) £127.95 N/A £112.30 N/A
Vectra 2.0 16v/2.2/
2.5 V6/2.6 V6 (288mm)
£147 £142.50 £155 £148.95
Vectra 2.6 V6 GSi (308mm) £171.00 £194.95 £155 £148.95
Vectra C 285mm (Front) £142.95 N/A - -
Vectra C 302/314mm (Front) £175.00 N/A - -
Vectra C 278mm (Rear) - - £159.95 -
Vectra C 292mm (Rear) - - £174.50 £180.00
Calibra 2.0 £127.95 N/A N/A N/A
Cavalier 2.0 SRi & 16v to '92 £127.95 N/A N/A N/A
Cavalier 2.0 SRi & 16v '92 on £127.95 N/A £127.95 N/A
Cavalier V6 £149.95 N/A N/A N/A
Cavalier Turbo £153.15 N/A N/A N/A
Calibra Turbo & 2.5 V6 to '95 £153.15 N/A N/A N/A
Calibra Turbo & 2.5 V6 '95 on £129.95 N/A £132.75 N/A
Carlton 24v £168.50 N/A N/A N/A
Senator 24v £168.50 N/A N/A N/A
Omega £180.00 N/A N/A
'284mm' 4 Stud Applications £166.50 N/A N/A N/A

Other Replacement Discs

D2 Discs
330mm x 32mm
356mm x 32mm

Disc to Bell Mounting Kit £39.50
Drilled - £359.00 N/A N/A N/A
K Sport Discs
330mm x 32mm
356mm x 32mm

Disc to Bell Mounting Kit £39.50
8G - £359.00 N/A N/A N/A
343mm x 28mm VXRacing AP Discs
(Astra G/H Zafira A/B)

Disc to Bell Mounting Kit £31.50
6G - £558.00 N/A N/A N/A
343mm VXRacing AP Discs (Corsa D) 6G - £789.00 N/A N/A N/A
362mm x 32mm VXRacing AP Discs (Vectra C) 6G - £470.40 N/A N/A N/A
All our brake discs can be supplied by mail order or fitted in our workshops. Please enquire for details. Buy Now Click Here!

Courtenay Sport Braided Brake Hoses

Brake Line Kit Astra/Zafira VXR Front
Astra/Zafira VXR Front
Brake Line Kit - Astra/Zafira Rear
Astra G/Zafira A Rear 4 Line Kit
Full Brake Line Kit VX220
VX220/Speedster Brake Line Kit
Brake Line Kit Astra G/Zafira A Front
Astra G/Zafira A Front
Courtenay Sport Braided Brake Hose Kits. Stainless steel braided hoses, plastic coated to resist dirt, rain, salt and fitted with high quality stainless steel unions. Improves pedal feel, eliminates ballooning caused by rubber OE hoses, improves braking performance. Stainless unions are more resistant to corrosion - some similar kits use zinc coated unions which are not as hard wearing and more prone to corrosion. Kits contain new banjo bolts, washers and rubber supports where needed. Astra/Zafira rear brake line kits also include  the required hard joiner pipe. Available for VX220, Astra VXR, Zafira VXR, Corsa VXR, Astra G, Astra H, Zafira A, Zafira B and Vectra B. Other models to be added. Prices from £38.40 Buy Now Click Here!

Fog Light Delete Brake Duct Kit - Astra/Zafira VXR

Our foglight delete brake duct kit, as used on the Astra Sprint Editions, is designed to get additional cold air directly to the disc and caliper assembly. One the fog lights are removed, which gives the added advantage of weight saving a consideration for track use, the kit is installed and include semi rigid convoluted ducting with plastic finishers and 3 trumpets. 2 are bonded into the OE foglight surrounds (which can be seen painted in black flexible anti stone chip paint in our image) and one is bonded into the plastic bottom pulley cover which makes for easy removal for getting access into the cambelt area and oil filter. The ducting is then fitted as required between the fog light surrounds and the brakes. They will direct additional air flow towards the brake disc and caliper to aid brake cooling.

These are especially suited to fast road and light track day use.

£52.50 per pair. Buy Now Click Here!
Brake Cooling Ducts

Enlarged Fog Light Delete Brake Duct Kit - Astra/Zafira VXR

Enlarged Brake Cooling Duct Kit Enlarged Brake Cooling Duct Kit for Astra H/Zafira B VXR for Foglight Deletion Brake Cooling. Larger ducts and flexible spiral bound ducting to generate additional cooling to behind the front brakes. Ideal for any car fitted with a big brake conversion (e.g. AP, Alcon, K Sport etc). Kit includes ducting, trumpets and new surrounds.

These are especially suited to cars undertaking track days.

£59.95 per pair. Buy Now Click Here!

Racing & DOT 5.1 Brake Fluid

Delphi Lockheed Racing Brake Fluid has been formulated for racing applications where braking systems operate at high temperatures. It guards against vapour lock and maintains its viscosity and lubricity at extreme temperatures. This fluid conforms to and exceeds the current specification for DOT4 and has a typical dry boiling point of 310 o C (590 o F), which is higher than DOT5.1 fluids which typically have a dry boiling point of 260 o C.

£12.60 per 500ml. Buy Now Click Here!

DOT 5.1 Brake Fluid, ideal for fast road use as it has a typical dry boiling point of in excess of 260 o C,  which is higher than DOT4 fluids which are usually supplied from the factory.

£12.60 per litre. Buy Now Click Here!

Brake Fluid - Some Facts

Due to the fact that a brake system is not perfectly sealed moisture can be absorbed by the fluid. This in effect reduces the boiling point of the fluid and can reduce the efficiency of the brake system. Another factor of reduced braking efficiency is fluid that has got too hot and boiled, turning it into gas which leads to a 'spongy' feeling.

Brake fluids are classified to defined specifications: DOT3, DOT4, DOT5, DOT 5.1 These specifications have two reference tests:
Dry Boiling Point, the boiling point of fresh fluid
Wet Boiling Point, the boiling point once the fluid has absorbed water, representing fluid that has been in use in a vehicle.

There are two main types of brake fluid:

DOT3, DOT4, DOT 5.1 which are glycol based (Poly Alkylene Glycol - PAG) & DOT 5 which is synthetic based.
The two types of fluid are not compatible and must not be mixed in a braking system.
Minimum Dry and Wet Boiling point specifications:
Minimum Boiling Point oC DOT 3 (PAG) DOT 4 (PAG) DOT 5 (silicone) DOT 5.1 (PAG) Racing Brake Fluids
Dry 205 oC 230 oC 260 oC 260 oC 300 oC
Wet 140 oC 155 oC 185 oC 185 oC 195 oC

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