AST Suspension Lowering Springs (30mm/30mm TUV) - 2003-2009 BMW Z4 Roadster 2.2/2.5/3.0 (Z85) riaction-gt1-coilovers The Stance XR1 coilovers drop

The Stance XR1 coilovers drop the DC5 chassis to a tunable ride height while keeping your factory suspension geometry intact

2016 Audi A1 FWD (8X)

Whiteline's Positive Shift Kit on your 2015 Subaru Impreza WRX Base

2017 Maserati Ghibli M157

Part Number KSB790 Part Name Strut Tower Brace Vehicle 1997 Mazda MX-5 Miata STO Chassis Code NA/NB Adjustable No Drilling Required No Finish Anodized Grade Type Performance Installation Difficulty Moderate Installation Time (hrs) 0

AST Suspension Lowering Springs (30mm/30mm TUV) - 2003-2009 BMW Z4 Roadster 2.2/2.5/3.0 (Z85) riaction-gt1-coilovers The Stance XR1 coilovers dropAST Lowering Springs for the 2003 2009 BMW Z4 (Z85) 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