AST Suspension Lowering Springs (30mm/30mm TUV) - 2004-2011 Mercedes-Benz SLK-Class SLK 280/SLK 350 (W171) Altima 2013 Audi A3 (MK5/MK6)

2013 Audi A3 (MK5/MK6)

Shelby GT350R (S550)

Part Number W83389 Part Name Strut Rod Bushing Vehicle 2003-2005 Nissan 350Z Performance Chassis Code Z33 Bushing Color Black Bushing Inside Diameter 35

2012 Lexus LS460 RWD (USF40)

2016 Chevrolet Corvette Stingray (C7)

AST Suspension Lowering Springs (30mm/30mm TUV) - 2004-2011 Mercedes-Benz SLK-Class SLK 280/SLK 350 (W171) Altima 2013 Audi A3 (MK5/MK6)AST Lowering Springs for the 2004 2011 Mercedes Benz SLK Class (W171) 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