I ordered my 31 spline axles yesterday from Superior out of Las Vegas.
They didn't list it on the site so i called them 2 weeks ago, Talked to the sales guy who quoted me at $224 for the axles,bearings, studs and seals. When I called back yesterday they raised the price to $278 but he honored his quote. So right before we hung up he said have fun with your 71. I said WHOA its a 70 not 71 (as u know the 71 is wider). So we had to redo order and the price of the 70 kit was $478 but again, he honored his quote and didn't charge me any shipping or handling!!