Krebs sight still available,
I tried both of these on my Romanian SAR-2 ( AK74 ) . these seem to fit pretty much any AK as far as i can tell, but the TechSights Kit doesnt fit one specific model and im not sure which, maybe the Yugo ?
anyways I paid $120 shipped for the TechSights kit- Its the model AK100S
more info here. http://www.tech-sights.com/ak.htm
It turns your AK sights into a rear peep sight setup like an AR15. increases the sight radius a bit and the accuracy quite a bit for me.
ill sell it for $75.
next, a Krebs rear peep sight replacement which just slides into the rear sight spring / slot.
below is a pic i borrowed from their website

I paid $75 for it shipped, ill let it go for $40
I ended up with a extra AR so the AK needs a new home, thats also posted in the firearms for sale section.
I am in Inver Grove Heights and will meet within a short / reasonable distance. I will ship the parts for $5.00 extra.