Swift Springs Standard Conventional Front Spring - OD: 5.5" / Length: 11" / Rate: 200 lbs/in Spring Rate (lbs/inch):350 1977 Ford F-350 Custom (F-Series)

1977 Ford F-350 Custom (F-Series)

2007 Mercedes-Benz C-Class C230/C280/C300/C350/C220CDi/C250CDi 4-Matic (W204)

2013 Nissan GT-R Base

2017 Toyota Wish FWD (ZGE20W/G)

2inch to -0

Swift Springs Standard Conventional Front Spring - OD: 5.5" / Length: 11" / Rate: 200 lbs/in Spring Rate (lbs/inch):350 1977 Ford F-350 Custom (F-Series)Swift Springs Standard Conventional Front Springs in 5. 5" OD and 11" 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 optimized