An attractive option for the DB4 owner is to upgrade the brake system to the twin circuit, twin servo Girling brake system fitted to the DB5 and DB6.

If even better brake system performance is required, then the system can be further modified with ventilated front discs and modern three pot brake callipers.

The DB4 fast road brake options are:

Option 1

• Upgrade to twin circuit, twin servo hydraulic system

Option 2- Girling brake system upgrade

As option 1 plus

• Girling discs front
• Girling discs rear
• Girling 3 pot disc brake front callipers
• Girling 3 pot disc rear callipers

Option 3 – Enhanced fast road system

As option 1 plus

• Ventilated front discs
• AP racing four pot front brake callipers
• Girling 3 pot disc rear callipers
• AP racing master cylinder kit
• Goodridge front and rear brake hoses

Fitting this upgrade also demands the fitting of 6.5J wire wheels to provide the necessary clearance for the front disc and calliper assembly.