couple R-154 swap questions

i'll have to keep an eye on this one ,as i am installing a 2.4 srt-4 engine and r154 trans in the valiant .. i know you will have to change the front bearing retainer to a ax15 one( the ax15 is longer) and machine some type of bushing/adapter for the supra pilot bearing
spec should be able to help you out on the clutch.