is the spacer for the dually;s attached to the drum or does it come of as two pieces ]

 

I never knoticed a spacer on the rear.... hmmmm Guess I wasn't paying attention?

There is a spacer up front on the rotor. I have a 4wd so it may be different than yours since you havn't given any info on your rig. Put info about your truck in your signature so we can help a put more.

On the W350 I have, I opened up the hubs and removed a locking nut, and the holding nut with a special socket I got at Napa. Then the rotor AND the spacer came off. On the BACK (inside) of the rotor, there you can put a wrench on the bolts to take the spacer/bearing assembly off. I screwed a peice of wood onto my bench and placed the wheel studs between them so the assembly wouldn't spin, then I took an 18" breaker bar and a LOT of PB Blaster and elbow grease to get those darn bolts out.

Then again, maybe I'm talking about something else

 

There's no spacer back there. What you may be seeing is the hub. The drums are inboard of the hubs on these trucks.

 

Factory built dually's are engineered to mount the wheels without spacers.
Those of us who have mounted dually rims on factory single rear wheel trucks have had to resort to a variety of spacers to make thing fit.
A spud adapter up front, and simple spacers in the rear.

(Hi Dave!)

Bob

 

Hi Bob!

 

ok so it isnt a spacer it is a dually adaptor from arrowcraft products so you can put duallys on my d 250 that has been converted to run a 1 ton rearend who would have thought