AST Suspension Lowering Springs (40mm/40mm) - 1979-1993 Saab 99 Turbo 996 Turbo 2015 Chevrolet Trax 1

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AST Suspension Lowering Springs (40mm/40mm) - 1979-1993 Saab 99 Turbo 996 Turbo 2015 Chevrolet Trax 1AST Lowering Springs for the 1979 1993 Saab 99 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