Those are the same offset as my 18X7.5's I just sold. IMO, they should fit fine with a 225/40 or even a 235 depending on which brand. Please post pics when you do get them installed, those wheels are uber OEM sweetness
2005 Ford F150 SuperCab FX4
1964 Chevrolet Impala SS
1998 CSVT: 354HP/328TQ @ 10 psi, now gone