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The Twisted Colossus will debut in the spring with 5,000 feet of track featuring overbanked turns, a zero-G roll where track twists 360 degrees and a "Top Gun Stall" inversion where the train slows down upside down.
"It's clearly going to be one of the biggest new rides on the West Coast next year," said Robert Niles, editor of ThemeParkInsider.com.
The combination of wood and steel will give riders "a superslick, smooth feel," Niles said. "I think people will recognize this as a unique feel. They might not know why, but it will feel different."
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Six Flags on Friday also announced new rides for its 17 other parks, including a 3-D interactive dark-ride coaster, Justice League: Battle for Metropolis, which will open at both Six Flags Over Texas and Six Flags St.Louis.
Other parks are just beginning to announce their 2015 plans, Palicki said. Front-runners for the season include the Thunderbird, the country's first launched wing coaster, which will open at Holiday World in Santa Claus, Indiana.