Trick Flow Cylinder Head Emission/Thermactor Plug 5.0L/5.8L
- Change Thread Hole Size
- Zinc Plated Steel
- 5/8"-11 Male Thread Pattern
- Can Plug Air Passages
Trick Flow Emission and Thermactor Plug for Most Aftermarket 5.0L and 5.8L Cylinder Heads.
Made from steel and then zinc plated. Features a 5/8"-11 male thread pattern.
*Sold individually, use 2 per car.
California Residents: Proposition 65 Warning
Note: This item is not CARB (California Air Resource Board) exempt and is not legal for sale or use in the state of California.