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1.850" 45 degree intake valve, 1.750" 45 degree exhaust valve
Increase flow, increase swirl, increase power. These are the biggest valves you can run on an OEM 5.9l bore. Valve seat must be machined,
These pistons are the best option for your competition only 6.7l Cummins. They have many engineering firsts for the 6.7l cummins. -skeletonized construction which is...