Oddity - To answer your question the base of a Hi-Lift, at least mine, is 4"x7" and the off road base is approx 11.75"X11.75".



Since our trucks are pretty similar, even with the bumper lift attachment I can tell you it is worthless unless you have sliders or stouter bumpers vs. factory (rear) to jack off of. I was able to use the receiver hitch as a jack point once and felt safe enough with the off road base but as previously mentioned I had to jack it up pretty high to be effective due to suspension droop.
I have never used the factory jack in my Ram and the notion of it failing is not very comforting so will be looking at what solution you come up with and will likely copy you like I did with the wheels, tires and front suspension



Since our trucks are pretty similar, even with the bumper lift attachment I can tell you it is worthless unless you have sliders or stouter bumpers vs. factory (rear) to jack off of. I was able to use the receiver hitch as a jack point once and felt safe enough with the off road base but as previously mentioned I had to jack it up pretty high to be effective due to suspension droop.
I have never used the factory jack in my Ram and the notion of it failing is not very comforting so will be looking at what solution you come up with and will likely copy you like I did with the wheels, tires and front suspension
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