Small Block Ford Z304 Header Flange - 3" Bolt Spacing
These precision laser cut 3/8" thick 304 stainless header flanges are manufactured in the U.S. and are machine surfaced. Sold separately. These flanges fit Ford Z304 and AFR Head with the 3" bolt spacing. These are profiled for spark plug clearances.
Port Sizes: 1 5/8", 1 3/4". 1 7/8", 2"
Preformed starter stubs available for this flange, select it from the drop down options menu
Example of header flange stubs