AST Suspension Lowering Springs (30mm/30mm) - 2014+ BMW M4 Cabriolet (F83) Z8 Sport (GD) are engineered to

Sport (GD) are engineered to be up to the task with top spec

2019 Toyota Corolla Base (E100–E210)

6inch) Spring Rate - Front 18

34 Kg/mm Spring Rate - Rear 3

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

AST Suspension Lowering Springs (30mm/30mm) - 2014+ BMW M4 Cabriolet (F83) Z8 Sport (GD) are engineered toAST 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