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R- 20mm (0
Introducing the correct way to stack a bump spring
5kg/mm (251lbs/in)
The Evo is FIA approved
This allows drivers to change assist springs without resetting the perch on the coilovers so the ride height isn't affected
Sparco EVO II US Bucket Seat (DISCONTINUED) Metric Coilover Spring - ID 70MM 8'' Length R- 20mm (0DISCONTINUED The following information is from Sparco's website, " The Evo II US competition seat has the quality and performance youve come to expect from Sparco and the Evo seat line. The Evo II US was designed and developed with extensive input from some of the most prestigious DTM and ITC championship drivers. The Evo II US retains the height and shape of the extremely popular EVO and adds in 1. 5" of width. The Evo II US is made with a fiberglass