GPM 7075 Aluminum Diff build Mod1.5 Spiral cut gears & bearings

You will receive (1) GPM 7075 diff case fully built with GPM medium carbon steel Spyder gears, medium carbon steel mod1.5 Spiral cut Ring 
You can choose the case by leaving me a note in check out. 2 piece or 1 piece case. Both are very nice.  
And Pinion with bearings. (2) PNWRCMADNESS 26x17x5