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4BT Cummins Hamilton 178-208 Performance Camshaft


4BT Cummins Hamilton 178-208 Performance Camshaft

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4BT Cummins Hamilton 178-208 Performance Camshaft


This cam is the most efficient cam we have from just off idle to 2500 rpm. 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. If you live at high altitudes, tow heavy or are looking for the best efficiency possible for highway driving and you don’t use above 2600rpm often, this cam will help you considerably. Install with the intake from a 97-99 centerline, use with small or OEM injectors and turbos.Because the 4bt market is fairly small, it does not make sense for us to spend the money it would take to have our own cast billets made. For this reason, we buy new cams and then cut our grind onto them. If you have any special requests for custom 4bt grind, call us and we will get you in on the next cut list. Call for approximate wait time and cost.


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