The 6.4L manifold set is crafted with a heavy duty 0.25" thick-walled Hi-Silicon ductile casting, this makes these manifolds thicker to combat cracking due to high exhaust temperatures. BD's exhaust manifold set is the perfect replacement for reliability and peace of mind.
NOTE
- Not for sale on licensed California vehicles
- Replaces OEM Part #8C3Z9430A (Left/Right Side)