AST Suspension Lowering Springs (40mm/40mm) - 1988-1993 Ford Sierra XR 4WD (BEF/BFGC) Frontier 2005 Audi TT FWD (8N)

2005 Audi TT FWD (8N)

2012 Ford Focus

1983 Audi 80 Quattro Coupe (81)

0 TwinTurbo (F82 LCI 5 Bolt) The 5300 Series shock absorbers are rebound adjustable in 12 positions on the strut

AST Suspension Lowering Springs (40mm/40mm) - 1988-1993 Ford Sierra XR 4WD (BEF/BFGC) Frontier 2005 Audi TT FWD (8N)AST 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.