I suppose you can technically say that we still have a 10-bolt, but that would be an insult to the high-quality hardware that Strange implements into each of their S60 rear axles. Helical Gar Differential is also installed oil our unit. The black powdrercoat is an additional option, but being as how we plan on using tis car at the track, drag strip and on the street (in the Midwest, no less we went ahead and ordered the powder coat.