AST Suspension Lowering Springs (40mm/40mm) - 1988-1993 Ford Sierra XR 4WD (BEF/BFGC) Frontier The D2 Racing RS Series

The D2 Racing RS Series Coilover Kit for the 2002-2006 Mini Cooper is our flagship coilover

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2009 Mazda Mazda 3 MPS-Mazdaspeed

AST Suspension Lowering Springs (40mm/40mm) - 1988-1993 Ford Sierra XR 4WD (BEF/BFGC) Frontier The D2 Racing RS SeriesAST Lowering Springs for the 1988 1993 Ford Sierra (BEF BFGC) 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.