17" x 10" beadlocks for 99.5-03 SuperDuty/Excursion

[SoCalRally]

I currently have Goodyear Wrangler radials 37x12.50x16.5 (the offroad military surplus Hummer tires), but I am considering going to a 17" rim in the future due to a greater variety of available tires, and the availability of fresh rubber. The current tires that are most appealing are the BFG AT or MT, or more likely the Toyo MT, in a 17" x 37" size. Sidenote: the Toyo MT in the 17 x 13.5 x 37 size has a 4300 lbs rating which is attractive, though obviously unless the rims & other components are also rated the same that's of limited practical value.

Anyway, tires that are 17 x 13.5 x 37 generally have a 8.5-11" wide rim rating, with quoted specs on a 10" wide rim. And, in general, rim widths tend to be approx. half rim diameter e.g. 17x8.5, 18x9, 20x10 etc., so I am not seeing much out there in the 17x10 size. Anyone know what rims are available in 17x10 with an 8 x 170mm bolt pattern with suitable specs for a 2000 Ford Excursion diesel (I believe something like 4.5 - 4.75 backspacing with 0 offset is normal?)

An added bonus would be if real beadlocks (i.e. not the simulated rings) were available to be able to air down offroad without worrying about debeading a tire from the rim. However, I don't know if any real beadlocks are DOT approved for the street, so I don't know how practical or advisable this is? Ideally, perhaps it would be better to have a separate set of street rims & tires (possibly in 18" for less sidewall = better handling) & a separate set for offroading or missions down to Baja to watch the SCORE races, but that's an added expense & it's kind of a hassle to switch back & forth though, so ideally I'd just have 1 set of rims & tires that could handily accomplish both street & offroad use.

So, basically I'm asking what would likely be the best combo street & offroad setup in a 37" tire size? Something like the Toyo MT in 17 x 13.5 x 37 on a KMC XD Enduro 17 x 9 seems like a reasonable option, but the KMC XD Enduro isn't a 10" wide rim (which I think I'd prefer as it's more in the center of the range for all the 17x37" tires that I've seen recommended specs for), and it isn't a beadlock either.

Other notes:

- I do currently have a 2nd daily driver, but I drive the Excursion at least several times a week, and use it for all long trips, offroad trips, use it as my service/tow vehicle for rallies, helping with ops & comms at rallies when I'm not racing, so the Excursion sees a mix of highway, street & fast fireroad use, with occasional offroad use as well, but the size & weight of the Excursion as well as limited suspension travel means it isn't really suited for hardcore offroad use

- I could potentially keep my current Goodyear Wrangler radials 37x12.50x16.5 setup just for offroading & trips down to Baja etc., but again that's kind of a hassle to regularly having to keep swapping back & forth + 2 sets of tires to keep replacing & maintaining etc.

- I don't like disco wheels or 20s (20s look too disco, too much open space inside rim & not enough sidewall height to protect against bruising offroad)

- I'd potentially be open to an 18" rim, instead of a 17" rim, but it seems like there is a wider variety of offroad tires in a 37" size for 17" rims, and tires for 18" rims are more expensive, though the lesser sidewall height would likely be better for handling on the road (if I'm honest, its primary use)

- I like low key stuff, like the KMC XD Enduro in matte black in 17x9

- I tow occasionally & would like the ability to retain the ability to tow up to 10k lbs, so weight/load rating of the rim is important, nothing below 3200 lbs, and the higher the better

- the Excursion also has an 8" all spring lift (i.e. no lift blocks front or rear), double piggy Bilstein 7100 smooth resis on the front, single Bilstein 7100 smooth non-resis on the rear, with Firestone Ride-Rite airbags, ARB lockers F&R, Warn manual front hubs, and 4.56 gears & pushed forward front bumper, so fitting & driving 37s like my current tires hasn't been an issue with my current setup

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[CraigMT]

I looked for a 17X10 rim in 8 on 170 (Ford Superduty) for 3 months and ended up settling for 17X9's. Any manufacturer I found who offered the 10" rims had discontinued them by 2010.

On a side note, I ended up putting 38-14.5-17 BFG MT KM2's on the 17X9's and they fit perfectly! I was initially worried the 9" rims would be too narrow but they matched the tires width nicely.

Trailready Beadlocks have been known to make custom rims to order... you might try them...