The 36th Annual ZCON - Ontario, CaliforniaRegistration is Now Live! Registration for the 36th Annual International Z Car Convention in Ontario, California is now live! Be sure to register early for your favorite events and save $15 on our early-bird discount! ZCON RegistrationDon't forget to book your room early at no upfront cost! We're expecting one of the largest ZCON's yet in sunny So-Cal, so don't wait to reserve your room! We're seeing a jump each week in reserved rooms and expect that number to climb over the next couple of weeks, so act fast while our room block is open at the host property. ZCON Room Block For additional registration or rooming questions, please email us at info@ZCON.org and we'll get back to you as soon as possible.