Just received my 1.25" spacers in the mail! I'll get them on this weekend, and take some pics.

Mine had 1 inch in the rear when i got it, i moved them to the front and put 2" in the back
Dont know if it handles any better, since i relocated my rear stabilizer to the scrap metal pile at the same time! 😀
But i didnt need to grind my bolts to fit the 1" in the front so maybe they are 1.25"? Looks beefier with some spacin in the front anyway
http://i66.tinypic.com/2d0fj1d.jpg

I looked into spacers for the front before I came across a ZR2 drivetrain for a good price. My concern was with the front and using spacers to even out the rear axle ( ZR2 3.9" wider Blazer axle ) and stock front track width that is 2" narrower than ZR2.
I read that spacers under 2" do not affect handling/suspension geometry and bearing wear significantly for street driving. 1 1/4 is recommended minimum to avoid stud trimming. I haven't made up my mind whether to just add 1 1/4 spacers on the rear or upgrade to an 8.5 in the rear with 1" spacers up front to even out track width and add fender flares/molding to cover the tires. Right now ( stock with 18" Camaro rims ) I am at the limit on the front for tire coverage and state law. I am also considering an AWD Bravada conversion. I assume the ZR2 pickup axle is the same width as the Blazer, can anyone confirm or dispute that ? Hmmm decisions decisions ....

For me, I've been leaning towards adding 1.25" spacers to the rear only to even out the track a bit to make it more sure-footed off the pavement. I'm not a "4-Wheeler" but do go off-pavement and the 1.25" spacers for the rear seemed like a good/easy/inexpensive mod that is not so extreme to cause me headaches down the road.

do you have pics of the stance with fronts and rears installed, i just ordered the same for my 4dr