AST Suspension Lowering Springs (35mm/25mm) - 2015+ Kia Optima Sedan 1.6CRDi/1.7CRDi Cherokee Chassis bracing to your 1990-2005

Chassis bracing to your 1990-2005 Mazda MX-5 Miata Base (NA/NB) maintains alignment angles and spring rates by greatly reducing body or chassis flex

Designed to work to your 2015-2026 Ford Mustang GT Premium (S550/S650) with the original bushing and eliminate over compliance or better known in motorsport as 'lost motion' of the rear crossmember

2002 BMW Z3 Coupe Roadster 2

Worn Front Control Arm Bushings to your 1984 Ford Mustang GT-350 20th Anniversary (Fox) have a huge influence on vehicle stability

AST Suspension Lowering Springs (35mm/25mm) - 2015+ Kia Optima Sedan 1.6CRDi/1.7CRDi Cherokee Chassis bracing to your 1990-2005AST Lowering Springs for the 2015+ Kia Optima are manufactured from a premium high tensile chromium silicone wire which is handpicked by AST engineers for its quality and metal consistency. Each spring is cold wound and then heat treated to increase hardness and reduce internal stresses present after winding. Each spring is then individually shot peened, phosphate treated and then powder coated to outlast even the life of the vehicle. Features