If your GTX 780 ti is reference design PCB, then yes.
https://www.nzxt.com/product/detail/138-kraken-g10-gpu-bracket.html#
Nvidia : GTX 780 Ti, 780, 770, 760, Titan, 680, 670, 660Ti, 660, 580, 570, 560Ti, 560, 560SE
AMD : R9 290X, 290, 280X*, 280*, 270X, 270 HD7970*, 7950*, 7870, 7850, 6970, 6950, 6870, 6850, 6790, 6770, 5870, 5850, 5830
The compatibility list is based on AMD Radeon and NVIDIA's reference board layout, screw spacing and die height only. Please check the height restriction before purchase.
* Some variations in AMD die height may require the use of a shim.
And yes, it has a reference PCB.
http://www.guru3d.com/articles_pages/evga_geforce_gtx_780_ti_sc_acx_superclock_review,3.html
So yes, it will work.