At Wiseco, we can use the GFX rimg package to open up the lands a lot for strength and durability, also, we have a specific skirt shape for that stroke rod combo that gets rid of piston rock at the bottom stroke. I just made a set for someone that is building a 408 LT1 for a very known engine builder on here, cant say because of company policy. We can make them easily and we can on a struted or full round forging. You may want to look at a xylan coated piston for that big of a stroke, it does help fight the battle of skirt wear. Any other questions, feel free to PM me, I personally cant sell them to you but I can make them, lol.