I cant guarantee it off hand but i think the 2 groove pulley on this page mates up with the stock inner pulley. I can verify the numbers of the stock pulleys later as i'm not home at the moment.
http://www.speedwaymotors.com/Lightw...evy,73980.html
http://www.speedwaymotors.com/Lightw...FY17fgodW7EN4w