Little different now w solid faced center caps and lowered more, I don't frequent this forum much anymore Really. The ones I believe are:
9.5 +20
10.5 +30

Lips are about 2.5 front and 4 rear, I Believe
Been a while since my purchase but that should be correct. Running 15mm spacers on all corners.

 

Damn looks better than Volk itself ..
now I am not sure if i want Volk gts or yours wheels