AST Suspension Lowering Springs (35mm/35mm TUV) - 2002-2012 Saab 9-3 2.3/1.9TiD/2.2TiD (YS3F) 2003 2008 Mazda Miata RWD (NCEC)

2008 Mazda Miata RWD (NCEC)

2013 Lexus IS250 RWD (GSE20/GSE21)

2011 BMW 3 Series 328i 6cyl Coupe (E92)

2012 Audi S4 Avant Quattro (w/ EDC)

1990 Ford Mustang GT (Fox)

AST Suspension Lowering Springs (35mm/35mm TUV) - 2002-2012 Saab 9-3 2.3/1.9TiD/2.2TiD (YS3F) 2003 2008 Mazda Miata RWD (NCEC)AST Lowering Springs for the 2002 2012 Saab 9 3 (YS3F) 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.