833 pro shift rings.

Randy Cope said

I have a Dana 60 with 4:10 gears in it now. I already have traction problems in first and second gear. Lol.

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FWIW I run a 3.09 first with a 4.56 gear. I suspect if you ask perfacar he is somewhere around a 3.15 first and a 5.57 gear. That's just a W.A.G. on my part...but I think I'm pretty close.