These are 17x7.5" double five-spoke from an early 2000s Sequoia. With 4.5" backspacing, they are perfect for a 1st gen Tacoma.
TL;DR - I'm done with 16" wheels and the limited tire selection they offer. My next set of tires (and therefore wheels) will be 17".
I don't need new tires quite yet, but mine will only last another 6-9 months. Finding skinny 16" tires (255/85/R16) with a hybrid AT/MT tread pattern is nearly impossible, so I'm moving to 17" wheels for more options. I've already got the new wheels - which the ever-helpful Zane picked up for me for a steal - and after some cleaning and several coats of my favorite bronze coating, they are going to be fantastic.
Update 2024-09: After running these wheels on a trip to Canada, I was getting a lot more rubbing on the suspension - specifically, on the coilover reservoirs, which are mounted to my frame in the wheel well - than I did with my previous 3rd gen 4Runner 5-Star wheels. I went back to check the specs on these, and it turns out that the backspacing is actually 4.85", so the inner edge sits significantly closer to the frame.
Not great, but hopefully easily dealt with. I've written up this detail and more in my First Impressions - Sequioa Wheels and Kenda Klever RT Don't Fit!
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