4.2 ecu 14cux
$145 shipped CONUS. this ones out of a 93 classic. rumored to be the more aggressively tuned of all 4.2 ECU's.....
you can expect plug n play "oomph" added to your rig with this easy swap. works on all lucas EMS trucks. 3.5 3.9 RRC's, 3.9 D1's and def's.