I agree with Barry, run the single piece eccentric. I've heard of people having trouble with the two piece eccentrics. Those cam dowels are not hard to come by, they are a standard diameter (5/16"). When you get the engine apart pull the dowel out of the cam and measure the length. The ones I have here measure 1.5" long. If yours is shorter, just get another one from the cam company, McMaster Carr, Enco, any place. They are not hard to find.