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Swift Spec-R Springs 14+ FORD FOCUS ST 4X907R Spring Rate Drop Front Rear Front Rear Kg/mm Kg/mm Inch Inch 4
4in length
Flat Wire Linear Rate Bump Springs 1100 lbs/in
4" Straight cut tip
Blue anodized titanium hardware shaves even more unsprung weight from the arms
Swift Round Wire Linear Rate Bump Springs 2000 lbs/in nfera Swift Spec-R Springs 14+ FORDRound Wire Linear Rate Bump Springs 2000 lbs in Swift Bump Springs are made from a proprietary material. The same springs are used in Super GT, Formula Nippon, F3, F3000, Super Taikyu, IMSA, Pirelli World Challenge, Rally America, VLN, Le Mans Series, Formula Drift, and many other professional racing avenues.
