

Enfin, voici ce que j'ai trouvé sur un forum en Angleterre. Intéressent.
The 'Performance' kit is Subaru part No SACC2122F-4DR (if you have a 5-door car, then 5DR suffix - springs are slightly longer for the rear). Springs are blue.
The newer 'Professional' kit gives a slightly harder ride but Prodrive claim superior performance. Springs are grey. Subaru part No SACC2139, Prodrive part No PD-SK-IMP99A/B/C.