1994-2011 8 lug Dodge Ram 3500 DUALLY, 2" thick Wheel Spacer (8x6.5) 8x6.5 bolt pattern, 121.3mm center bore.  This is for dually rear axles, and will fit in between your rear wheels. Heat treated 9\16-18 studs and lug nuts included. BE ADVISED THESE PARTS ARE MADE TO ORDER AND WILL TAKE 20 BUSINESS DAYS TO BE PRODUCED AND SHIPPED TO YOU, SOMETIMES LESS. WE WILL SHIP VIA FEDEX EXPRESS IF YOU ARE IN THE USA.