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Swift Round Wire Linear Rate Bump Springs 400 lbs/in Metric Coilover Springs 100/300 lbs/in Progressive

Description

100/300 lbs/in Progressive

Price is for a rear axle set(Pair) replacement disc rings only

Supports both twin turbo N54 and single turbo N55 BMW 135i variants

and adds improved handling and lower ride height for driving enthusiasts and style minded drivers who demand only the best

Swift Spec-R Springs 12-15 HONDA CIVIC SI 4H915R

Swift Round Wire Linear Rate Bump Springs 400 lbs/in Metric Coilover Springs 100/300 lbs/in ProgressiveRound Wire Linear Rate Bump Springs 400 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.

Exchange/Return Notes