Are most of the vacuum lines on 87 4 mm or 5 mm

I found this on ebay, will it work as a direct bolt on?     http://www.ebay.com/itm/87-89-Dodge-D50-Mitsubishi-Mighty-Max-Pickup-Truck-4x2-Manual-Steering-Gear-Box-/400579494437?pt=Motors_Car_Truck_Parts_Accessories&fits=Model%3AMighty+Max&hash=item5d44660225&vxp=mtr#ht_3823wt_762

Man I'm tired of fixing her car. I don't think this one was her fault but boy is it dead. There is a loud banging sound coming from the engine. It barely runs. Water in the fresh oil. And it blew off the valve cover breather hose and sprayed the engine bay with oil mist. It's not good. I'm guessing combustion pressure is getting into the crankcase from a broken piston.   So her 94 escort needs and engine, transmission (5th gear doesn't work), tires, struts.............. it may be time to

Hey guys I'm looking for an ISC for an 86 flatty. 1 connector type please. If anyone is selling one please let me know. Thanks in advance.