those must be HEAVY....probably 35-40lb/wheel?

I had 17x8 cragar SS's on my old ram (AL center, steel rim like the originals) with 275/60R17's on them and that wheel/tire combo was about 85-90lb each..

1976 Spinnaker White Plymouth Duster, /6 A833OD
1986 Silver/Twilight Blue Chrysler 5th Ave HotRod **SOLD!***
2011 Toxic Orange Dodge Charger R/T
2017 Grand Cherokee Overland
2014 Jeep Cherokee Latitude (holy crap, my daughter is driving)