The Driveshaft Shop Stage 5 Rear Axles for the 2003-2006 Nissan 350z have a new designed outer c.v. that bolts on to a special billet c.v. for the wheel end. The center bars Are made from 300M and now are Upgraded to 36 spline internals on both ends (up from the factory 27). This system does not come with an inner c.v. so you will have to change it over from the factory axle. A new 36 race is provided for the inner and also included are all boots clamps and grease to make it a easy install.
Level 5 is good for 900 Hp.
The Price is for a pair of axles