didnt SEAT stop selling this kit a while ago? but it is made by sachs and can be bought from sachs suppliers IIRC
here is the tdi set
part info : SACHS 118 379
part info
Performance
assembly group:
Suspension Kit, coil springs / shock absorbers
supplier: SACHS
packing unit : 1
EAN:
4013872303625
Attention: ground clearance can became smaller than 10 mm! (please consider legal regulation)
article status
Normal (04/09/2002)
criteria
Chassis lowered to [mm]: 30
Axle Load FA to [kg]: 960
Axle Load RA to [kg]: 810
parts list
995 610 ( Shock Absorber (Performance Sport) / 2 pieces )
114 879 ( Shock Absorber (Performance Sport) / 2 pieces )
990 297 ( Coil Spring (Performance) / 2 pieces )
990 298 ( Coil Spring (Performance) / 2 pieces )
replacement for/substituted by
118 379
built-in
SEAT :
CORDOBA (6L2)
1.4 TDI (55 kW ; 10/2002)
1.9 SDI (47 kW ; 10/2002)
1.9 TDI (74 kW ; 10/2002)
1.9 TDI (96 kW ; 10/2002)
IBIZA IV (6L1)
1.4 TDI (55 kW ; 05/2002)
1.9 SDI (47 kW ; 02/2002)
1.9 TDI (74 kW ; 02/2002)
1.9 TDI (96 kW ; 02/2002)
BTW, i found all this info on scn - try having a search