Swift Round Wire Linear Rate Bump Springs 600 lbs/in Metric Coilover Springs swift spec-r springs are designed

swift spec-r springs are designed to the upper limits of the oem shock valving

We utilize spring design with fewer coils which not only allows us to decrease un-sprung mass but to also completely eliminate the chance of coil bind

625 lbs/in

This is not a high temp paint

Specifically designed for the SW20 chassis *Dual layered muffler packing to eliminate unwanted resonance Stainless steel wool & high density glass packing for maximum sound control *Straight through perforated muffler core *Full 3" (76

Swift Round Wire Linear Rate Bump Springs 600 lbs/in Metric Coilover Springs swift spec-r springs are designedRound 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.