Exhaust Manifold Stud and Nut Kit - GM 6.6L Duramax L5P. This hardware kit includes 16 studs and nuts for both stock manifolds. The class 10.9 studs are finished in black oxide coating for rust prevention.
Features:

• Includes 16 studs and nuts for both stock manifolds
• Class 10.9 studs are finished in black oxide coating for rust prevention