Tein Street Advance Z Coilover Suspension Kit - Swift ZC21S QJUTSU This kit is composed of

This kit is composed of 4 strengthened arms that are added to your existing rear arms

The fixed dampers are set in a more sporty direction based on the standard maneuverability of the stock

A large side spoiler that matches the front and rear aero parts

These washer kits are versatile and can easily replace most 10mm headed bolts (m6x20x1

Tein Street Advance Z Coilover Suspension Kit - Swift ZC21S QJUTSU This kit is composed ofMuch 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.