i have the complete efi system off a 90 mt/2wd w/ac complete with exhaust manifold and o2 sensor in frt of cat also have the under dash harness from fuse box 2 tail light plug under the seat (the only missing parts are the knock sensor , mass air flow and intake pipe from air box 2 throttle body (i have a 85 style ) the a/c idle up stuff is also missing (yhe solonoid is about 17.00 and the vacuum actuator is cheap at any wrecking yard .the massa ir flow meter is 75 bucks also at wrecking yards locally-i need a a/c compressor for my 90 p/u -ill take 300.00 fot the whole lot including the computer -also have dash assy for 90 2wd p/u