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Beyea Custom Headers IDM604-S1-G 604 Crate Single Step Fits GRT BMS Hoffman Chassis Modifieds with 604 Crate

Limited Supply: only 2 remaining
Pricing: $419.99
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Beyea Custom Headers

Beyea Headers IMCA/UMP Modified fits 
GRT, BMS, and Hoffman Chassis Only


Beyea IMCA and UMP dirt modified headers up the power curve for your Circle Track car. Beyea's passion for header fabrication starts with quality steel for long-lasting durability and performance. The flanges are laser-cut to ensure good support and seal. If you want more from your race engine; choose Beyea IMCA and UMP dirt  modified headers for a performance boost!

Header Style: Circle Track 4-1 one-piece
Header Material: Steel
Header Finish: Painted
Weld-Up: No
Primary Tube Diameter (in): 1-5/8" x 1 3/4" x 2 3/4"
Flange Thickness: 5/16"
Gaskets Included: Yes
Quantity: Sold as pair

Notes: Designed to fit 604 crate motor only.

Looking for headers for a different chassis? Different applications are as follows: IDM604-S1-(Style) 

Style "B" fits Shaw 2012 and newer; Beak Built; Kazzbuilt; and J-car

Style "G" fits BMS; GRT; Hoffman

Style "D2" fits Allen; Edge; Harris; Jet; LG2; Razor 2012 and newer; Skyrocket; and Sidebiter

Style "V" fits Victory Chassis cars


  • BEY IDM604-S1-G
  • BEY IDM604-S1-G
  • Beyea
  • Available
  • New


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