I went with H&R Replaced Bolts in front and Rears were Bolt on. 20 Front 25 Rear.
__________________
2010 Solid Red Z: Mods: Stillen G3 Intakes | BC Coilovers | H&R 20/25 Spacers | Stillen Splitter | Stillen LW Pullie TBI | Red GTR Start | LED Interior | Kenwood Double Din 
|