Swift Springs Standard Conventional Spring - OD: 5" / Length: 14" whiteline-shock-absorber-to-control-arm-bushing Feal Suspension 442 Coilovers for

Feal Suspension 442 Coilovers for the 1983-1989 Nissan 300ZX (Z31) have been in development for years

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Swift Springs Standard Conventional Spring - OD: 5" / Length: 14" whiteline-shock-absorber-to-control-arm-bushing Feal Suspension 442 Coilovers forSwift Springs Standard Conventional Springs in 5" OD and 14" 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. With fewer coils and optimized winding, Swift