Mychron 4 and Ebox for sale Oct 11, 2012 11:00:41 GMT -5 Quote Select PostDeselect PostLink to PostBack to Top Post by Brad Johnson on Oct 11, 2012 11:00:41 GMT -5 Used Mychron 4 with E. box. Comes with a Head Temp sensor, Tach sensor, speed sensor, and a lap timer. $ 400.00, 0.B.O. If your interested call 1-262-877-9545