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Chevy 4.3L EcoTec3 LV3 Mild Steel Header Flange

Chevy 4.3L EcoTec3 LV3 Mild Steel Header Flange

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Product Code: RM-2507-MSHF
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Chevrolet 4.3L LV3 EcoTec3 Mild Steel Header Flange

Precision laser cut form 3/8" thick 304 steel, our header flanges are manufactured in the U.S. and are machine surfaced. These header flanges are specifically made for the 4.3L LV3EcoTec3 V6.

Port Size: 1.75" and 2.00" ports available

Preformed Flange Stubs are 2"-3" in length, and are formed to perfectly fit the non-round port in the flange. Stubs drastically reduce overall build time and increase builder's efficiency.

We carry over 250 different header flange designs, so if you don't see the flange you're looking for, talk with one our tech reps about custom header flange cutting.

Flanges sold separately.

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