1 3/4" Round, GM LS1, LS2, LS3, LS6, 3/8" Thick, CNC Machined Header Flange. Available in mild steel or stainless steel.
**2 flanges are needed for a full set**
- Diameter:
- 1 3/4"
- Engine Make:
- GM/ Chevy
- Engine Family:
- LS
- Cylinder Head/ Engine:
- LS1, LS2, LS3, LS6
- Port Shape:
- Round
- Thickness:
- 3/8"
- **Full Set:
- 2 Required