Duramax 6.6L LB7/LLY/LBZ Mild Steel Header Flange

Precision laser cut from 3/8" thick Mild Steel, our header flanges are manufactured in the U.S. and are machine surfaced. These header flanges are specifically made for 2001-2007 6.6L Duramax LB7, LLY, LBZ Turbo Diesel Cylinder heads.

Port Size: 2.00" Square Port

Gasket: Mates to RemFlex 2059 Exhaust Gaskets

We carry over 400 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.