My fronts are tubbed, and clearanced the back of the frame rail with stock kouki front fenders with a pull and the rear have overs.
These are the sizes i run on both sets of wheels
Varstoens
front 18 x 9.5 +15 265/25/18
rear 18 x 10.5 +15 275/35/18 295/30/18 265/35/18 and 315/30/18...