For the fronts, I would go with a Type 1 spacer for the rear Type 2. Its what I did it's what has been recommended over and over on here. No problems with mines no shaking nothing. Looks aggressive 20 front 25 rear.
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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 
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