AST Suspension Lowering Springs (40mm/40mm TUV) - 1987-1993 Ford Sierra Sedan (GBG) swift-bump-springs Drivers who want more than

Drivers who want more than just an outstanding look and lowering for the 2000-2006 Audi TT FWD within the TUV-tested adjustment range

2004 Chevrolet Corvette C5/C6 RWD

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1995 Nissan Skyline GT-R

Sway Bars to your 2009-2013 Infiniti G37x (FM) are principally designed to reduce body roll or sway

AST Suspension Lowering Springs (40mm/40mm TUV) - 1987-1993 Ford Sierra Sedan (GBG) swift-bump-springs Drivers who want more thanAST Lowering Springs for the 1987 1993 Ford Sierra (GBG) 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.