AST Suspension Lowering Springs (40mm/40mm) - 2012-2015 Honda Civic Si Coupe (FG4) Outback 2000 Porsche Boxster/Boxster S

2000 Porsche Boxster/Boxster S

AST Lowering Springs for the 1985-1992 Volvo 740 (704/904) are manufactured from a premium high tensile chromium-silicone wire which is handpicked by AST engineers for its quality and metal consistency

1978 Ford F-350 Base (F-Series)

2006 Infiniti M35X

AST Suspension Lowering Springs (40mm/40mm) - 2012-2015 Honda Civic Si Coupe (FG4) Outback 2000 Porsche Boxster/Boxster SAST Lowering Springs for the 2012 2015 Honda Civic Si (FG4) 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.