If you are interested and willing to pay money for a set of underdrive pulleys PM me. Only PM me if your willing to put your money where your mouth is.

GM 173/231 V-6,

Under drive pulley 6 ribs, 25%crank/23%alt,2pcs, s-series -'87-93


The price will be in the $24-$40 price range (still working out exact details) and through a well known 60 degree v6 online store.


I'm not making anything off this myself, only trying to help guys out, and sticking my neck out on the line. This started out on another forum that I'm on by a few guys wanting these. I told them I would try to get it set up but we ran short on people so now I'm just trying to get the word out.