4pcs 2" Wheel Spacers Adapters 5x5.5 to 5x5.5 for 5 Lug 5x139.7 Dodge Ram 1500 Dakota Durango 9/16" Studs It mainly fits for MitsubishiRaider 2006-2009ChryslerAspen 2007-2009Dodge Ram 1500 2002-2010Dakota 2005-2011Durango 2004-2009Ram 1500only 9/16" 2011-2013 Thickness:2 inches/50mm; Vehicle bolt pattern:5x5.5/5x139.7; Wheel bolt pattern:5x5.5/5x139.7; Threads: 9/16". If you don't make sure whether this item fits to you, message us with your vehicle year, maker and model, we will find the item you need. The spacers are machined by CNC with 60 degree taper, bulge seat lug nuts. The studs of our spacers are grade 10.9, heat treated and hardened heavy duty studs for safety.