Swift Round Wire Linear Rate Bump Springs 600 lbs/in Metric Coilover Springs -Hand assembled and TIG welded

-Hand assembled and TIG welded with full stainless steel construction

Swift Sport Springs 09-15 Infiniti G37 COUPE / Q60 CKV36 4N906 Spring Rate Drop Front Rear Front Rear Kg/mm Kg/mm Inch Inch 10

Swift made Sport Springs keeps the quality ride you get from the showroom

This is not a high temp paint

Swift Round Wire Linear Rate Bump Springs 600 lbs/in Metric Coilover Springs -Hand assembled and TIG weldedRound Wire Linear Rate Bump Springs 600 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.