Beyea IDM604-S1-R Right Side IMCA Modified 604 Crate Header 2-3/4″ Collector


  • Right Side Only
  • Single Step
  • 1-5/8″ x 1-3/4″
  • 2-3/4″” collector
  • 5/16″ laser cut flanges
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SKU: BEYIDM604-S1-R Category:

With many years in the header fabrication business, Beyea Custom Headers knows how to customize a power curve to create a broader range of power. Each header or exhaust set up has been analyzed and tested. Beyea is trusted by top Modified and Late Model race teams and engine builders across the U.S. Header kits and replacement components are available for Asphalt Modified, Aspalt Late Model, Northeast DIRT Modified, Dirt Late Models, Dirt Sprint Cars, IMCA-UMP Modified, Midgets and Micro Sprints.

Beyea 4-1 Collector style headers consistently produce more top end power.

  • Single Step
  • 1-5/8″ x 1-3/4″
  • 2-3/4″ collector
  • 5/16″ laser cut flanges
  • Painted steel

Note: Right side only.


Manufacturer Part Number


Beyea IMCA Modified 604 Header 4-1 Collector Style

Right Side Only

Up the power curve for your Circle Track car!

Prop65WARNING: These auto parts can expose you to chemicals including phthalates and lead. Installing or using these parts can expose you to other parts containing these chemicals and to engine exhaust, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to