Yonaka 2004-2008 Acura TSX Spec 2 Full Coilovers Adjustable Dampening Suspension Shocks Springs Struts Fully threaded mono tube shock absorber All aluminum upper mounts ~2-3" height adjustment Adjustment tools included Front springs: 12kg Rear springs: 6kg Inner bump stop to prevent damage caused by rapid compression impacts Wide range of height adjustment without changing the spring compression Bottom of the shock is threaded to allow height adjustments without having to shorten the suspension travel Rubber dust shield protecting piston for long life