Jeep 4.0 in 69 Barracuda
That is a good option. The HDK coil over suspension has a bracket to hold the lower control arm in place that bolts to the Chassis Frame rail. I would have to speak with HemiDenny about longer brackets which he may be willing to do.
1/2 in lower K Frame with the Engine lifted 1 inch may make a big difference with out having to push the engine back.