As seen at SEMA, the Critical Mass Motorsports '37 Coupe made its way to Indianapolis for the 2018 Ultimate Callout Challenge
Packs an all-billet 500ci Duramax V8, capable of more than 3,000 horsepower
Goodness! Day 2 is in the books, and what a day it was!
Check out who won the top spot in both UCC Qualifier and UCC showdown
We are off and running here in Indianapolis for the 3rd Annual Ultimate Callout Challenge!
Check out how it all went down on Day 1 of the event of the year!
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