• Ultimate Callout Challenge 2024

2022 Blog Posts

MotorTrend
New World Horsepower Record Set at Ultimate Callout Challenge 2022!
Although Ultimate Callout Challenge 2022, the diesel scene's preeminent invitational performance competition, was held
XDP
ULTIMATE CALLOUT CHALLENGE 2022
One of the biggest events on the diesel performance calendar took place at Indianapolis Motor Speedway Raceway Park!
Engine Builder Magazine
Ultimate Callout Challenge 2022 Preview
If you’ve been paying any attention to the competition diesel scene, then I don’t have to tell you that these shops