GPI Truck High Lift Camshaft

The HLT1 camshaft was specifically designed for trucks that are used as trucks. They offers stable idle, excellent low end torque (1,750 rpm and up), and smooth lobe design for quiet valve train operation and longevity. We designed this cam for use in trucks with minimal modifications. This cam does not require an upgraded torque converter or exhaust.   The HLT2 camshaft was designed for the individual that wants the maximum potential power without dramatically sacrificing low end torque. Offers stable idle, excellent low end torque (2,250 rpm and up), and smooth lobe design for quiet valve train operation and longevity. We designed this cam for use in trucks with minimal modifications. This cam does not require an upgraded torque converter or exhaust, although a converter is recommended – specifically on 5.3L trucks.   The HLT3 camshaft is designed for the enthusiast that wants to take their truck or hotrod to the next level. These are extremely versatile camshafts with a big cam idle