For a SRT you need a floor jack that is no higher then 4.75" in the down position or it will not work in the front - at least not on my car with its stock height.
If you are not in a huge hurry you can watch Amazon and catch one that has free shipping. I have a Sears 3 ton that is about 20 years and it is fine for the back but will not fit under the front. I was watching several jacks at Northern Tool, Harbor Freight, and Amazon. Caught an aluminum / steel combo for under $100., shipping was free, and the min. height was 4.5". Got the jack a couple of weeks ago and very happy with it.
If you do searches online you will starting picking up on the same designed jacks but with different names on them. I saw the one I purchased for as much as $329 but most like it were in the $200. - $250. Amazon's normal price was around $150. but had it on sale with the free shipping.
I was wanting an all aluminum jack but the aluminum / steel is so much lighter than the old steel jack I have it is like throwing around a rag doll.