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Charts & Guides for Part Number BEY-4125
Beyea IMCA and UMP Dirt Modified Headers
Headers, IMCA, UMP, Modified, Tri-Y, Steel, Painted, 3.50 in. Collector, Chevy, Small Block, Pair
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Estimated Ship Date: Nov 13, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
IDMTY-18BT2G
Part Type:
Product Line:
Summit Racing Part Number:
BEY-4125
Header Style:
Circle Track Tri-Y
Header Material:
Steel
Primary Tube Outside Diameter (in.):
1 3/4 - 1 7/8 - 2 in.
Header Color:
Temporary non-high temperature paint
Weld-Up:
No
Collector Diameter (in.):
3.50
Collector Reducers Included:
No
Tuned:
Yes
Flange Thickness (in.):
0.31 in.
Bolts/Studs Included:
No
Gaskets Included:
No
Crossover Pipe Included:
No
Catalytic Converter(s) Included:
No
Motor Mounts Included:
No
Transmission Mount Included:
No
Quantity:
Sold as a pair.
Notes:
Designed to fit 18 degree Brodix heads. Triple step design. The paint applied to these headers is a temporary coating only and is designed to burn off during use. High temperature paint or other high temperature coatings are recommended.
Beyea IMCA and UMP Dirt Modified Headers
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. Choose Beyea IMCA and UMP dirt modified headers for a performance boost!
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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