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Sonny's BBC 5.3 Mild Steel Header Flange

Header Flanges For A Sonny's BBC 5.3 Head

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Product Code: RM2094-MHF
This precision laser cut Small Block Chevy header flange is cut from 3/8" thick 1018 cold rolled steel, our header flanges are manufactured in the U.S. These header flanges were fabricated specifically for the Sonny's BBC 5.3 GM style head. Configured with a 2 1/2" round port for easy header fabrication.
Port Size: 2.500"
We carry over 250 different header flange designs, so if you don't see the flange your looking for, talk with one of our tech reps about custom header flange cutting.

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