Well, for the rear you can't use lowering springs unless you do coilovers. Since 1st Gen's have a monoleaf rear suspension, you either have to get a custom lowered monoleaf like on the list, or do a coilover setup. Or.....take out your whole rear suspension and install a complete rear suspension from a 1.5 Gen Lumina/Monte Carlo...then you could use lowering springs in the rear.