Sold/Expired chevy 12 bolt gears

[yj383]

I need a 5.13 ring and pinion set for a 1964-1982 Chevy 12bolt truck diff. Richmond gears part # is 69-0300-1, national back order until 3/15/14.Doesn't have to be Richmond, as long as it is compatable. I am in Ocala Florida 34475, if you are not close must be willing to ship. thanks Mike