Buick Stage II V-6 Stainless Header Flange 

Precision laser cut from 3/8" thick 304 Stainless Steel, our header flanges are manufactured in the U.S.A. and are machine surface. These header flanges are designed for the Buick Stage II V6 heads. **NOT** Compatible with the Buick Series II 3800 V6 from production vehicles.

Port Size: 1 7/8" or 2" round ports available.

We carry over 450 different flange designs, if you don't see something you need, or for any questions, give one of our specialists a call at 1-800-290-3920. Custom flange designs and one-off laser cutting on header flanges is also available.

Flanges sold individually