universal ignition switch

anyone run universal ign switch dash style . I am going to try to put in a tilt column but it doesn't have a key so I was thinking of using a universal switch . is there any thing In particular I should look for .I am in the process of full rewire job msd dist plus 6al so no need for the ballast resister and ign 1 and ign 2 I think just acc , run and start I think