Just buy the DSS one,,sure you could make one,,but it's pointless,,the quality and low price of the DSS unit makes it so it's not even worth the time you would lose makinng your own. .
I just bolted one on my 96 duallie 4x4. . and it took care of a dangerous wobbling problllem i have been chasing for over a year. .
Send DSS a cheque quick,,,annd throw that stabilizer on as soon as it arrives,,,you'll never believe the difference it makes,,,unbelievable difference,,trucks drive better than new,,,no more wandering all over the road,,,you can kiss off the rope annd pully steering that our truckks drive like from Dodge. .
For about $150. 00,,you can't beat it,,and the life you save could be your own,,The death wobble will get somebody someday. .
Good luck