SPRINGFIELD, Mo. — About 1,400 high-performance street machines, hot rods and street trucks are on display at the Ozark Empire Fairgrounds.

Once again, the Street Machine Nationals are back.

Thousands of people show up each year to see the perfectly maintained vehicles.  They call this the “ultimate celebration of horsepower.”

Discount tickets can be found at O’Reilly Auto Parts for $11.  It’s $13 at the door.

The event runs Sunday from 9 a.m. to 3 p.m.