Hamilton Cams 1994-2012 Dodge Cummins Ram Diesel 5.9/6.7 , 188/208 View larger

Hamilton Cams 07-C-178/208 Camshaft


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Hamilton Cams Towing Camshaft

Applications: 1989-2015 Dodge 5.9L/6.7L Cummins

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The Hamilton Cams 07-C-178/208 Camshaft is the most efficient cam tested for the 1989-2015 Dodge 5.9L/6.7L Cummins. On a moderate street truck, it will net you the best economy out of all Hamiltom Cams. Due to its short duration and wide lobe separation angle, it also has the least overlap (when intake and exhaust valves are open at the same time) of any Hamilton cams to kill in cylinder EGR on engines that have higher drive pressure than boost pressure. This is usually found with stock turbos that have a very restrictive turbine housing or turbine wheel. In engines there is always a trade off for different performance parts. 

On a truck with a 62mm turbo and 80hp injectors, this cam picked up 40hp at 1700rpm due to the fact that it moves so much air at lower rpms and helps the turbo spool much sooner. The trade off? It gives up power compared to our larger cams above 2600 rpm(still above a stock cam). If you live at high altitudes, tow heavy or are looking for the best efficiency possible for highway driving, this cam will help you considerably. Install with the intake from a 97-99 centerline.
Although it works great as an efficiency cam, it is also popular with common rail engines that have larger single turbos or that have larger valves and ports. Larger turbos typically have less low rpm response as do cylinder heads with large ports and/or large valves. In these applications, it will really help get large turbos spooled much earlier.


  • Increased Low RPM Performance 
  • Great For Towing & Efficiency
  • For Moderate Street Trucks