oil cooler pluming

[650Rider]

I was wondering what is the proper size tubing to use when pluming my prerunner. I have to run the trans lines and engine oil lines and not too sure on what the best size would be. It's a full size chevy with a 6.0 ls engine(450 hp) and a 4l80e trans. The trans has 2 large cbr oil coolers with fans that the lines will be going to which I belive are -10 fittings, and the engine will have a frame mount cooler, any advice will help. Thanks!

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