Swift Flat Wire Assist Spring - 65mm (2.56") (Sold Individually) Honda Civic Si 2012+ while still maintaining linear spring

while still maintaining linear spring rates

160-300-250

Straight Type - 4" Length - ID 2

The result is a seat that is both taller and slightly wider than the EVO for taller drivers

clear view in all weather conditions

Swift Flat Wire Assist Spring - 65mm (2.56") (Sold Individually) Honda Civic Si 2012+ while still maintaining linear springFlat Wire Assist Spring 65mm (2. 56") comes with stack spring adapter (Sold Individually) Like our helper springs, the assist springs are designed to be fully compressed at static height. Every one of our assist springs compress to the exact same height. This allows drivers to change assist springs without resetting the perch on the coilovers so the ride height isn't affected. Heavier rates of assist springs over helper springs are used to fine tune