AST Suspension Lowering Springs (50mm/50mm) - 2003-2010 BMW 5 Series 520i/523i/525i/528i/530i/520D Sedan (E60) Cobalt RS-R Black-i coilovers for the

RS-R Black-i coilovers for the 2009-2013 Honda Fit (GE8) are engineered from the damper piston up for one job: going low without breaking the ride

The 4 control arms in this kit are adjustable up to 50mm

2017 BMW 3 Series 335i/340i AWD (w/o EDC)

Suffering uneven tire wear on your 1991-1992 Nissan 240SX LE (S13)

2008 Lexus IS250 AWD (XE20)

AST Suspension Lowering Springs (50mm/50mm) - 2003-2010 BMW 5 Series 520i/523i/525i/528i/530i/520D Sedan (E60) Cobalt RS-R Black-i coilovers for theAST Lowering Springs for the 2003 2010 BMW 5 Series (E60) 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.