ok. ive got an autometer sport-comp silver tach. 5in. great condition, only thing wrong with it is on the back, where the rubber clamp sits, its a little brown from the rubber, this gets covered up when the clamp is on tho, everything works great on it, the light, the tach was dead on with my vafc, all the wires are included, no original box sorry.
$100 shipped O.B.O
here are the instructions..
http://www.egauges.com/pdf/AutoMeter/407j.pdf
and pictures..