Swift Springs Standard Conventional Front Spring - OD: 5.5" / Length: 9.5" / Rate: 325 lbs/in Spring Rate (lbs/inch):450 Cold-wound from high-grade SAE alloy

Cold-wound from high-grade SAE alloy steel

Part Number CNS151-KP Damping Adjustment 36-Way Height Adjustable Yes Spring Rate (Front) 12

2011 Subaru WRX STI Base

2003 Mazda 6 Sedan 2

2002 Acura NSX (NA1/NA2)

Swift Springs Standard Conventional Front Spring - OD: 5.5" / Length: 9.5" / Rate: 325 lbs/in Spring Rate (lbs/inch):450 Cold-wound from high-grade SAE alloySwift Springs Standard Conventional Front Springs in 5. 5" OD and 9. 5" length are purpose built for competitive oval track, stock car, and circle track racing applications. These 5. 5" OD Swift front 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. With fewer coils and