17x7's 4" backspace??

I am looking to buy torq thrusts II, 17x7 with 4" back space for the front of my 67' dart. I am planning to run 215/50/17's....
Thanks Bryan

Not sure About the similarities/differences, but I have 17x7 - 4"BS Torqlites with 225 -50's on the front of my 73 Duster, and they only scrug occasionally, and that because I lowered the front end!

SuperDart360 had the 17x8's on hiis, and they worked fine.

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