Swift - Flat Wire Bump Spring (Linear Rate) Rate:600 lbs/in The Evo II US was

The Evo II US was designed and developed with extensive input from some of the most prestigious DTM and ITC championship drivers

5 inch length

3 kg/mm (352lbs/in)

R- 13 kg/mm (726lbs/in)

The Evo II introduces re-engineered seat proportions

Swift - Flat Wire Bump Spring (Linear Rate) Rate:600 lbs/in The Evo II US wasOur bump springs are an essential upgrade for performance minded individuals yearning to maximize suspension tune ability. And, to keep things simple, our engineers developed a proprietary retainer which seamlessly fits all spring rates. Standard length is 2. 5 inches, Only the 900 lbs in comes in the option to have a 4. 5 inch length. Images are used for representation purposes only