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2013 Lexus IS350 RWD (GSE31)
2016 Mazda Miata (ND)
2001 Audi A6 Quattro Sedan Wagon (4B/C5)
2016 Subaru XV 1
Standard ride height for TEIN Street Advance Z4 is set at 1 inch (approx
AST Suspension Lowering Springs (30mm/30mm) - 1990-1992 Alfa Romeo 33 16V (907) 1984 2013 Lexus IS350 RWD (GSE31)AST Lowering Springs for the 1990 1992 Alfa Romeo 33 (907) 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.
