As shown in the photo I've linked for you, the # LHAXSO513B tire includes a metal valve stem.
We also offer chrome center caps for the wheel, as part # LHCS109-SI60C if you'd like to dress the wheel up a little bit. view full answer...
The closest option I was able to find is the Wheel Stud # 165995 which measures 2-1/2" long, is 1/2" in diameter, and has 20 threads per inch. view full answer...
I have a solution for you, but the Ultra-Fab 2" Motor Home Trailer Hitch Receiver part # UF35-946401 will only fit bumpers up to 4" x 4" .
For your 4-1/4" x 4" bumper, I recommend the Buyers Products RV Bumper Receiver Hitch item # 337RVA24. The u-bolts will actually fit bumpers up to 4-1/2" wide so your 4-1/4" wide bumper won't be an issue. The fit will be tight enough that you would not have any play.
It's perfect for a bike rack, cargo carrier, or any other cargo accessory. Keep... view full answer...
We have the manual scissor jack set part # TJSCHD-24-4 which you'd install on the corners of the RV frame to level and stabilize the RV when parked. This will do a great job removing any movement an also has more than enough capacity for your 7,000 lb Hitchhiker.
we also have slide out supports to help brace them as well with part # UF19-960002. view full answer...