Drive Shaft Shop Level 5.9 1000HP Axle/Hub System | 2002-2006 Acura RSX (510185)This is the new level 5. 9 axle hub set similar to our level 5 system but with a major upgrade, the inner c. v. We now have created a Pro Level Race worthy system that works with the standard spline size on the differential end, you can now use our System with Quaife and other aftermarket limited slip diff's and spools. What we have done is make a new ball & cage inner c. v. made from high quality chromoly. This inner C. V. now has 6 contact points