Precision laser cut form 3/8" thick steel, our header flanges are manufactured in the U.S. and are machine surfaced. These header flanges are specifically made for V8 Pontiac engines with a split-port Ram Air V round port head. DCI Motorsports makes a head which accompanies these flanges.
Port Size: 2.130" Round Port
Precision laser cut form 3/8" thick steel, our header flanges are manufactured in the U.S. and are machine surfaced. These header flanges are specifically made for V8 Pontiac engines with a split-port Ram Air V style head. DCI Motorsports makes a head which accompanies these flanges.
Port Size: 2.188"
Port Size: 1.862"
Port Size: 1 7/8" and 2" Round Port are available.