AST Suspension Lowering Springs (30mm/30mm) - 2014+ BMW M4 Cabriolet (F83) Z8 34 Kg/mm Spring Rate -

34 Kg/mm Spring Rate - Rear 3

6inch) Spring Rate - Front 18

1 mm Bushing Quantity 2 Durometer 85 Grade Type Performance Grease Fitting Included No Greaseable Yes Hardware Included No Installation Difficulty Moderate Installation Time (hrs) 2 Kit Contents 2 Bushings

2008 Scion xD

2000 Toyota Previa XL (CR)

AST Suspension Lowering Springs (30mm/30mm) - 2014+ BMW M4 Cabriolet (F83) Z8 34 Kg/mm Spring Rate -AST Lowering Springs for the 2014+ BMW M4 (F83) 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