Tein Street Advance Z Coilover Suspension Kit - Swift ZD21S Wheels and the butterfly has an

and the butterfly has an elliptical shape with a diagonal cross section to ensure durability equivalent to that of the genuine product

25mm aluminium mounting bungs already attached for easy installation

making the 4-2-1 layout particularly advantageous

Pair our installation kit with an MFactory LSD for the ultimate in ease of use & 7-second proven performance in our own race cars at a great price

Subaru Impreza GDA/GDB 2000 to 2007

Tein Street Advance Z Coilover Suspension Kit - Swift ZD21S Wheels and the butterfly has anMuch like Tein Street Basis, Street Advance utilises a twin tube system and has adjustable lowering spring seats allowing you to adjust ride height. Unlike Street Basis, it also features adjustable damping force, allowing you to effectively change your handling characteristics. Compared to mono tube suspension, Street Basis is twin tube, meaning it attains a longer stroke with a smaller repulsive force, resulting in excellent high ride comfort.