GTi Pistons

I'm not aware of any stock oversized left out there. If you do find anything let us know. I see the ITM aftermarket oversized are only available in one size now and come with a matching set of rings.
 
I think custom is the only way to go now, I've got a set from @suprf1y that I bought ages ago, D16 that were modified, I had him do standard 10:1 compression on them. But I haven't installed them, I was considering selling them and getting some made from Wiseco, but I haven't yet. I did contact Wiseco and they will make whatever compression ratio you want, it's a very minor change for them and the charge was super cheap to do a custom order I forget how much per piston. https://www.wiseco.com/product/auto/pistons/professional-suzuki-g13b-piston-set-74-50-mm-bore/
 
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