The Koni 1125 STR.T Kit 99-05 Volkswagen Jetta IV 4 cyl Gas & TDI (excl wagon) is a performance suspension kit designed to improve the handling of your vehicle. The kit includes Koni STR.T shocks and struts, as well as progressive rate lowering springs to reduce body roll and improve cornering. The kit also includes adjustable camber plates to help dial in your suspension geometry. All components are made from high quality materials and are designed to provide a comfortable ride while still improving the handling of your vehicle. The kit is perfect for those looking to upgrade their suspension without breaking the bank.