Product Overview
1 7/8" Square, GM Small Block Chevy 23 Deg fast burn aluminum, 604 Crate engine, CT400, 3/8" Thick stainless steel, CNC Machined (Aluminum Head #604) Header Flange.
**2 flanges are needed for a full set**
1 7/8" Square, GM Small Block Chevy 23 Deg fast burn aluminum, 604 Crate engine, CT400, 3/8" Thick stainless steel, CNC Machined (Aluminum Head #604) Header Flange.
**2 flanges are needed for a full set**