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ensuring consistent ride height adjustments over time
Its multi-core design provides increased surface area for cooling
The spacers are engineered to provide a reliable load support solution that maintains proper suspension geometry
It is ideal for Jeep enthusiasts seeking a combination of aggressive sound
AST Suspension Lowering Springs (25mm/15mm TUV) - 1998-2001 Audi S4 2.7TT (S4/B5) YMM_2003_2006_Bmw_X5_I_E53_LCI ensuring consistent ride height adjustmentsAST Lowering Springs for the 1998 2001 Audi S4 (S4 B5) 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.