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1999 BMW 5 Series 525D/530D Sedan (E39)
2010 Mercedes-Benz E-Class RWD (w/ EDC)
Part Number KBR21-20 Part Name Sway Bar Mount Vehicle 2002-2007 Subaru Impreza WRX Base
2000 Toyota Corolla Base (E80–E110)
2019 Nissan GT-R AWD
AST Suspension Lowering Springs (35mm/35mm TUV) - 1990-1994 Audi 100 4CYL (C4) 510 1999 BMW 5 Series 525D/530DAST Lowering Springs for the 1990 1994 Audi 100 (C4) 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
