Cummins and Ram modified the 6.7 for sensible improvements like fuel economy, ease of service, and durability. The engine block and head, pistons, intake manifold, intake and exhaust valves ...

In turbocharged diesels like the 6.7L Cummins, consistently delivering incredible, dense air can significantly improve performance. The air intake horn, acting as the conduit between the intercooler ...

The Cummins 6.7L turbo diesel engine entered its fifth generation in 2019. In addition to improved output of up to 400 horsepower and 1,000 pound-feet of torque, the new engine's valve train ...