Way to vague of a question. Likely somewhere between a 160cc/30% to 1000cc/600%
Are you planning a new turbo as that is going to get you the best scenario as a stocker is not very durable. With that would you please post a picture of your rig how its currently setup. 26" lift 49" tires is a big truck. You could certainly use a bit more power.
Looking at your sig y9ou have 02 which I missed. This limits things some if you want to keep those PMR rods in the block. I would look at either 200cc/80% or a 238/80% hybrid. You could go with a stage II 160/100% as well but I think the hybrid is a better way to go and completely tunable from stock power up to the limits for longevity of those PMR rods..
You should upgrade you fuel system to a RR, 5/8 tank mod, Either add another SD fuel pump or go to a walbro or for a step up a fuel labs Aero.
After that it depends how much money you can or will spend and goals as limited by your rods.
Your kinda limited with PMRs, so you'll probably want a mild single shot or hybrid maybe somewhere between 160cc-230cc. And an adrenalin pump is one heck of a replacement/ upgrade. Costs less than a stock reman, and everyone that's gotten one has been happy. That pump will also be plenty happy with an injector in the range I listed.
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