Damn that things bigger than mine and I thought mine was huge. I think its a 3/4 inch steel plumbing pipe you know the ones with threadon them use a 2" piece then a 90 degree elbow about a 4" piece a coupler and put your plug in the long end you can rotate the plug where it needs to go to keep te idler shaft wet. here was a write up on one of my magaznes can remember wich one but it was on a ford and they did the pipe thing.