Replace damaged or corroded exhaust manifold bolts with BD Diesel's class 10.9 bolts and black oxide spacers, which improve thermal durability to stand up to the heat.
For 1998.5-2018 Dodge Ram 5.9L and 6.7L Cummins 2500,3500,4500 and 5500 trucks.
(Note: Will also fit 1994-1998 5.9L WITH aftermarket manifold - does NOT fit OEM manifolds on the 1994-1998 applications).
NOTE! 2003-2018 5.9L & 6.7L - Factory Heat Shield Must Be Removed.
Grade 10.9 Hardware meets a balance of high strength and high toughness
Exhaust spacers ensure fastener operates in elastic strength without fracture or permanent yield