GM 3.9L V6 Header Flanges

Header Flanges for the GM 3.9L V6, such as the LZ9.

These are laser cut out of 3/8" thick 304 Stainless Steel and fit 1-5/8" Primary's.

One piece design to increase stiffness and help prevent leaks.

Includes 2 flanges, one for each side. Hardware and header tube material not included.

Can cut down stock exhaust manifold gasket/shields to use just the gasket section or header gasket sealant.