Part# KB-MSP-120-XDRP-BL-3 ; Kustom Bitz hot rod or custom car chassis bracket. This unit is a back plate which is intended you can weld this to the chassis rail to allow our matching 8mm plate to bolt to it ..... of which you can then weld your fabricated chassis cross member to it.

Laser precision cut mild steel. All holes are also laser cut for precision fit with our matching other pieces in the range.

Dimensions
Holes = 10.5mm [to allow tapping for 1/2" UNF]
Height = 109mm
Width = 120mm
Thickness = 12mm 

This part matches Front Plate KB-MSP-80-XDRP-43T-3x12

Of course you can use them for anything else you see fit.