Swift Springs Standard Conventional Spring - OD: 5" / Length: 8" 733i SF Racing Sport Coilovers for

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Swift Springs Standard Conventional Spring - OD: 5" / Length: 8" 733i SF Racing Sport Coilovers forSwift Springs Standard Conventional Springs in 5" OD and 8" length are precision engineered race springs for competitive oval track, stock car, and circle track racing applications. These 5" OD Swift conventional 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. Swift Springs has