AST Suspension Lowering Springs (35mm/35mm TUV) - 1967-1972 Alfa Romeo GT 1750 Veloce (105.44) F-350 Yellow Speed Racing Dynamic Pro

Yellow Speed Racing Dynamic Pro Sport Coilovers for the 2011+ BMW 6 Series Convertible (F12) are designed and developed for all motoring enthusiasts wanting excellent handling without sacrificing comfort

1992 Nissan Skyline RWD

1996 BMW 7 Series RWD (E38)

2005 Mazda Miata/MX-5 2

2012 BMW M3 (E93)

AST Suspension Lowering Springs (35mm/35mm TUV) - 1967-1972 Alfa Romeo GT 1750 Veloce (105.44) F-350 Yellow Speed Racing Dynamic ProAST Lowering Springs for the 1967 1972 Alfa Romeo GT (105. 44) 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.