AST Suspension Lowering Springs (30mm/30mm TUV) - 2005-2010 Volkswagen Jetta 2.0TDi (MKIII/1KM) RS6 8T (1J) are engineered to

8T (1J) are engineered to be up to the task with top spec

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AST Suspension Lowering Springs (30mm/30mm TUV) - 2005-2010 Volkswagen Jetta 2.0TDi (MKIII/1KM) RS6 8T (1J) are engineered toAST Lowering Springs for the 2005 2010 Volkswagen Jetta (MKIII 1KM) 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