AST Suspension Lowering Springs (25mm/20mm TUV) - 2005-2012 Alfa Romeo 159 1.9JTS/2.2JTS/1.9JTDM/2.0JTDM/1.8MPI/1.8TBi (939) C30 2011 BMW Z4 sDrive35i (E89)

2011 BMW Z4 sDrive35i (E89)

The D2 Racing RS Series Coilover Kit for the 1998-2000 Volvo C70 is our flagship coilover

1972 Jaguar XJ6 Base (XJ Series I/II/III)

Worn Front Control Arm Bushings on your 2004-2007 Subaru WRX STI Base (GD) have a huge influence on vehicle stability

Part Number MA-002-SS Part Name Riaction GT1 Coilovers Vehicle 2016+ Mazda Miata MX-5 Chassis Code ND Adjustment Type 1-Way Ride-Height Adjustable Yes Spring Rate - Front 6 Kg/mm Spring Rate - Rear 4 Kg/mm Top Mounts - Front OEM Top Mounts - Rear OEM Camber Plates - Front No Camber Plates - Rear No Suspension Design - Front True Coilover Suspension Design - Rear True Coilover Vehicle Fitment

AST Suspension Lowering Springs (25mm/20mm TUV) - 2005-2012 Alfa Romeo 159 1.9JTS/2.2JTS/1.9JTDM/2.0JTDM/1.8MPI/1.8TBi (939) C30 2011 BMW Z4 sDrive35i (E89)AST Lowering Springs for the 2005 2012 Alfa Romeo 159 (939) 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.