Swift Springs Standard Conventional Spring (Progressive) - OD: 5" / Length: 6.7" Spring Rate (lbs/inch):600 2) are designed and developed

2) are designed and developed for all motoring enthusiasts wanting excellent handling without sacrificing comfort

2009 BMW 328Xi Sedan (E90)

Yellow Speed Racing Club Performance 2-Way Coilovers for the 2012-2021 Volkswagen Golf MK7 (MK7/MK7

TEIN Street Advance Z Coilovers for your 2006-2007 Subaru WRX STI AWD (GDF (E)) are designed for those who want more performance from their coilover system

Swift Springs Standard Conventional Spring (Progressive) - OD: 5" / Length: 6.7" Spring Rate (lbs/inch):600 2) are designed and developedSwift Springs Standard Conventional Springs (Progressive) in 5" OD and 6. 7" length feature a dual rate design purpose built for circle track racing applications that require a softer initial rate transitioning to a stiffer rate under heavy load. This 5" OD Swift progressive race spring is manufactured in Japan from proprietary H5S. TW high tensile alloy steel, delivering the variable rate behavior that helps circle track racers maintain traction