Product Overview
2 1/2" Round, 18 Deg angled up, GM Big Block Chevy, Sonny's Semi Hemi, 5.00" Bore Space, 3/8" Thick, CNC Machined Header Flange. Available in mild steel or stainless steel.
**2 flanges are needed for a full set**
2 1/2" Round, 18 Deg angled up, GM Big Block Chevy, Sonny's Semi Hemi, 5.00" Bore Space, 3/8" Thick, CNC Machined Header Flange. Available in mild steel or stainless steel.
**2 flanges are needed for a full set**