Introducing?the Alpha Performance R35 GT-R Race X Billet Flywheel. It features a billet one piece design, first of its kind integrated flywheel sensor ring for the R35 GT-R, which eliminates the need to bolt on the factory piece. ALPHA Performance R35 GT-R Race X Billet Flywheel. 2009+ Nissan R35 GT-R, Fits all USDM, JDM, Gulf Spec, and European Models; LHD and RHD