Whiteline 2017+ Honda Civic Type R / Si Performance Lowering Springs - 20mmWhiteline Springs deliver improved vehicle performance whilst maintaining safety and ride quality characteristics. This kit contains 4. 5kg mm (253lb in) front rated springs that provide a 20mm drop while the 5. 1kg mm (286lb in) rated rears deliver a desirable 20mm to the vehicle. By lowering the vehicles center of gravity, the unique and progressive rate coil design not only improve performance but enhance overall appearance. Developed and