- Utilize 3 Additional Exhaust Stud Locations
- BD Thick Wall High-Silicon Ductile Cast Iron Resists Thermal Warping
- 15Mm Longer Exhaust Studs Plus Spacers
- New Studs/Spacers/Nuts Included
- Replaces Ford OEM Part Numbers/Bl3Z-9430-B/ Bl3Z-9430-D/Bl3Z-9431-B/Bl3Z-9431-D