AST Suspension Lowering Springs (25mm/25mm) - 1991-1994 BMW Z1 (Z/B) spl-parts-upper-camber/caster-arms Low-Speed Compression

Low-Speed Compression

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Part Number W71478 Part Name Spring Pad Bushing Vehicle 1970-1973 Ford Mustang Grande Chassis Code Fox Color Black Height 9 mm Inside Diameter 95 mm Installation Difficulty Moderate Installation Time (hrs) 1

AST Suspension Lowering Springs (25mm/25mm) - 1991-1994 BMW Z1 (Z/B) spl-parts-upper-camber/caster-arms Low-Speed CompressionAST Lowering Springs for the 1991 1994 BMW Z1 (Z B) 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. Features