5th gen UCA are the same, running 20k mile 2017 on my 2004. 275/70R17 bfg's rubbed UCA with stock 4th gen wheels, went to TRD Pro 5th gen's and have same clearance with 4th or 5th UCA's. Depending on tire size you want either get wheels with different backspacing or get some $$$ UCA's.