SIX60 have made history selling 27,000 tickets to their Western Springs Stadium show in just 20 minutes.

When speaking to the achievement, Promoter Brent Eccles says he's "never seen anything like it."

"I've seen international shows go like this, but for this band it's like, bloody hell. It's a sales pattern we haven't seen before. We've sold more in our on-sale than our pre-sale. It's incredible."

SUPPLIED The band from left; Marlon Gerbes, Eli Paewai, Matiu Walters, Ji Fraser and Chris Mac.

With a capacity of just under 50,000, Eccles says he hopeful they'll take it all the way.

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"You only work these things out based on what you see, and what we've seen today is a phenomenon."

He adds that the milestone will "reverberate around the world."

"It's f...... huge. It's bigger than any of us realise."

Tickets for the February 23 show are still available from Ticketmaster.