The part numbers are listed here
Goodridge Brake Hose Kit for Alfa Romeo
To clear up some earlier confusion, the parts listed for the brake upgrade were small metal pipes connecting hose to caliper
pictured the actual lines remained the same, so...
156 GTA 305/330mm & GT 3.2 - SAR1402-4
147 GTA 305/330mm - SAR1502-4
Add the material of the fittings required to the end of the part number
C = Stainless steel
P = Zinc-plated mild steel
All car brake-line kits are supplied with a clear-cover, with ‘Goodridge Print’, hose as standard. If a different colour hose is required then select one of the following. See below for colour examples.
Black - BK, Carboline - CB, Clear - CL, Electric Blue - EB, Orange - OR, Green - GN, Red - RD, Solid Blue - SB, Yellow - YE.
For example mine were SAR1502-4C-RD