This cam is made for the truck that has a stock turbo up to a 64mm and is looking for great torque and maximum efficiency. Below is a guide to help you decide if this cam will have clearance issues or not. For towing, light competition and efficiency.
Piston to valve clearance with an "a" headgasket and a stock cam with .012" piston protrusion(OEM), and valve depth .025" intake, .035" exhaust(also OEM)
188-194-109LSA with .012" lash and "a" head gasket: