Our direct bolt-in 1000HP+ Level 5 axles are now available for the 2016-2017 Porsche 991.2 / 992. These axles are a direct bolt-in. Featuring 108mm inner and outer CVs with our exclusive aerospace grade internal cage and race set, with a bolt-on outer stub to fit the factory wheel hub. The center bars are our high-grade aircraft quality torsional center bars that twist more than a factory unit absorbing a great deal of the shock factor. They are made with 30 splines, upgraded from the factory 28 spline size. Rated to 1000HP+ with a 1-year warranty. The price listed is for both axles.