Swift Standard Conventional Springs 11in length, 5.5 in OD, 425 lbs/in Pull Bar Springs 06-up Honda Civic Si Cat-Back

06-up Honda Civic Si Cat-Back exhaust gasket

240 lbs/in Barrel Type

700 lbs/in

With the Swift Sport Springs

-Gives the 135i a very aggressive exhaust tone

Swift Standard Conventional Springs 11in length, 5.5 in OD, 425 lbs/in Pull Bar Springs 06-up Honda Civic Si Cat-Back11in length, 5. 5 in OD, 425 lbs in Swift Standard Coilover Springs are made from a proprietary (H5S. TW.) Material. This allows Swift Springs to manufacture a spring that is has more stroke, increased traction and handling as well as a spring with less coils, resulting in a lighter spring with less unsprung weight. The same springs are used in Super GT, Formula Nippon, F3, F3000, Super Taikyu, IMSA, Pirelli World Challenge, Rally America, VLN, Le