Product Overview
2 1/2" Round, GM Big Block Chevy, OEM - Stock Port Location, 4.84" Bore Space, 3/8" Thick Stainless Steel, CNC Machined Header Flange.
**2 flanges are needed for a full set**
2 1/2" Round, GM Big Block Chevy, OEM - Stock Port Location, 4.84" Bore Space, 3/8" Thick Stainless Steel, CNC Machined Header Flange.
**2 flanges are needed for a full set**