Dodge/Ram 2500/3500 98.5-21 5.9L & 6.7L Cummins Diesel Competition Series Gator Fasteners AFE POWER Works great with engine retarders

Works great with engine retarders like BD's Exhaust Brake

Increased power and fuel economy

-10 to 7/8 inch-14 Straight Male Black w/ O-Ring

Banks Ram-Air accommodates engine movement

Dodge/Ram 2500/3500 98.5-21 5.9L & 6.7L Cummins Diesel Competition Series Gator Fasteners AFE POWER Works great with engine retardersIf you are wanting to keep your 5. 9L or 6. 7L Cummins on the road or track for the long haul, you need to replace your head bolts with upgraded head studs. These head studs have a much higher strength and will not stretch like the factory bolts will. This will help keep your truck from popping head gaskets. The Gator Fasteners Competition Series Head Studs are a Heavy Duty stud designed for moderately built to high performance Cummins engines. 1998.