Can these be changed?
I'd get the real u-joint kit from Borgeson. AFAIK that kit makes the shaft as long as it needs to be for the manual box. Not sure exactly which u-joint/coupler you need. Call Borgeson, they are the experts.
http://www.borgeson.com/xcart/catalog/Steel_Vibration_Reducer_UJoint-orderby_0-p-1-c-17.html
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