expired CORSAIR Vengeance LPX 8GB (2x 4GB) DDR4 4133MHz $136.62 @ Mediaformcomputersupplies (eBay) with eBay Plus
CORSAIR Vengeance LPX 8GB (2 x 4GB) DDR4 DRAM DIMM 4133MHz Unbuffered 19-25-25-45 Black Heat spreader 1.4V XMP 2.0 Vengence Airflow Included
$182.16 on eBay before discount. 25% discount should get it to only $136.62.
EDIT: just edited this post from 3200Mhz kit to 4133Mhz Kit. Enjoy :)
At time of posting this seller has 11 available of this kit. But also has some 4000Mhz kits available at this same price, and also some 3200Mhz kits. :D