There was a place that would sell 5100's assembled, but we don't talk about that place around here.
Lol! Is that Toyota parts dept?
I am about to replace my front shocks with Bilstein 4600. The existing hardware is corroded, so I will replace all the bushings and mounts to avoid creaking and other issues down the road. I have purchased all the parts from NissanPartsDeal.com:
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I paid $217.31 for everything with shipping. I only needed one of the 01125-0047UBOLT and one 08918-3441ANUT FLANGE, HEX as the other nut and bolt are in like new condition. You may want to order two of those (one for each sides).
I was having trouble removing the top nut off the strut mount. Of course I could just cut it off with a cutoff wheel while having the spring compressor on... Or to avoid any physical trauma, I may just to take mine to a shop.
Got the rear ones replaced in 20 minutes thought. Piece of cake!