Re: Swapping 4:10 Dana 60 gears to 3:54's
 

I see you have 4:10now if it is not a power lock it should be case 30357. Like I said my book only goes to 65. It’s a casting number on the “back” of the case. The yoke is a Dana 3-4-5731-1X. Had the wrong number in my post.

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