chances are enkei discontinued them, its one of their oldest designs and it isnt on their site so i assume they stopped making it. no big deal though, there are several others just like it (TRMotorsports Typhoon, Lenso, Konig Villain,etc)
1995 Eclipse GS - HRC Stage 2 - Retired. 2004 350z Enthusiast / 2008 Nissan Versa SL