I need more room!l

I think I may have come up with something. Check this out, a 3 rib pulley. I wonder if the 3 ribs line up with what I've got.

http://www.ebay.com/itm/Mopar-Small...Parts_Accessories&hash=item19c9ace10e&vxp=mtr

Or maybe this.

http://www.ebay.com/itm/3-groove-36...Parts_Accessories&hash=item232c243df0&vxp=mtr