AST Suspension Lowering Springs (35mm/35mm TUV) - 1991-2000 Audi Cabrio 1.8 5V/2.0/2.3/1.9TDi 4-5CYL (89) TT RS Part Number W91380 Part Name

Part Number W91380 Part Name Differential Cradle Bushing Vehicle 2007 Subaru WRX STI Limited Chassis Code GD/GG Bushing Color Black Bushing Material Polyurethane Color Black Durometer 72 Installation Difficulty Difficult Installation Time (hrs) 4 Kit Contents 2 Shell Bushings

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AST Suspension Lowering Springs (35mm/35mm TUV) - 1991-2000 Audi Cabrio 1.8 5V/2.0/2.3/1.9TDi 4-5CYL (89) TT RS Part Number W91380 Part NameAST Lowering Springs for the 1991 2000 Audi Cabrio (89) 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.