Swift Springs Standard Conventional Tight Helix Spring - OD: 5" / Length: 13" Spring Rate (lbs/inch):235 AST Lowering Springs for the

AST Lowering Springs for the 2000-2008 Audi A4 (8E) are manufactured from a premium high tensile chromium-silicone wire which is handpicked by AST engineers for its quality and metal consistency

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GLX 4 Motion (B5) are designed to improve cornering grip and vehicle straight line stability through increased static caster and dynamic negative camber gain

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Swift Springs Standard Conventional Tight Helix Spring - OD: 5" / Length: 13" Spring Rate (lbs/inch):235 AST Lowering Springs for theSwift Springs Standard Conventional Springs in 5" OD and 13" length are purpose built for competitive oval track, stock car, and circle track racing applications. These 5" OD Swift race springs are manufactured in Japan from proprietary H5S. TW high tensile alloy steel, delivering measurably better traction, weight transfer, and tire temperature consistency compared to standard silicone chrome springs. The tight helix winding pattern delivers precise