I have searched this site , CCOT, SOR ,4x4 canada ,Marlin Crawler etc etc. I have a 1981 bj42 ,3b diesel 4 speed. Is there any difference between gas and diesel as far as the clutch slave cylinder is concerned?? I also need a bell housing boot ,anyone have one new or good used one?? I see a listing for canadian unit ?? But mine was built in NZ as I am told by Tom "lostmarbles" .