Kooks right-side header flange for 5.7/6.1/6.2/6.4 HEMI engines is a 3/8 inch thick 304 stainless steel flange with stock bolt pattern and D-shaped port sized for 1-7/8 inch primaries. Sold individually, this flange fits specified Mopar HEMI header applications but is not compatible with 2005–2008 5.7L HEMI heads. It provides a durable OEM-pattern flange for header assembly.
Kooks Mopar 6.1L / 6.4L Hemi 1 7/8in SS 6.1 Hemi Mopar Flange (Bank)