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Did some test fitting today.

908ssp

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We put a 18x10.5 wheel with a 305 Toyo on the rear. The Toyo actually measures 315mm wide that and the crazy bald tread pattern makes it look so big. The wheel is perfect fit for S197 and also for the S550. Same offset no spacers. What doesn't fit on this particular wheel is the lug nut the holes were big enough to go over the studs but the lug nuts wouldn't fit. We got some smaller lug nuts they fit but you still couldn't get a socket over the hex.

What we learned was s197 wheels fit on the back. You could easily fit 11" wide wheels with the same offset there is that much room on the inside. A 28.5" diameter tire 315mm wide will also fit fine. I'll have to check I can't remember what the offset was.

The front is a different story. 18" wheel wouldn't fit over the brake caliper with these wheels. But the stock wheel is just a 1/2" away from the strut on the inside. There is about an inch on the outside but I'd say to be safe a 10" is probably the limit.
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Laztug

Wanna run dyno slips bro?
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Calling out OKC #1 spot after axle back install.
I hope my forgestars fit my 2015!
 
 




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