01-26-2014, 11:23 PM
With NiB bolts and non NiB extensions, one is going to wear into the other, in that case, the NiB will win against the steel. It won't matter if you lap the NiB bolt into the extension, and will be better for evenly distributing the lug load across the extension, rather than leaving it up to chance and have only 2-3 lugs with engagement.
