k20a 4th gear

Up for sale, verified its a Dc5r. 33 teeth mainshaft, 40 teeth countershaft, 40/33=1.212 = DC5 Type R's 4th gear ratio. Everyone should know these are the best to put in a gearbox and how hard these are to find. I would like to keep it, but I am scraping up some 'free money' to put towards my...