The USRA Limited Mod Series is an Open Wheel Modified Series that allows GM604 engines along with other engine package options.
For more information, you can visit USRA's website at http://www.usraracing.com/
The USRA Limited Mod Series is an Open Wheel Modified Series that allows GM604 engines along with other engine package options.
For more information, you can visit USRA's website at http://www.usraracing.com/