Genuine GM Parts 12721599 - 4.3L "LV1" Camshaft (Non-AFM)

This camshaft is an OEM replacement part for LV1 V6 engines that come from the factory without AFM. The Active Fuel Management (cylinder deactivation) strategy employed to maximize the LV3's fuel economy is not fitted to the LV1 engine. This is a non-AFM camshaft. Rocker Arm Ratio 1.8:1 Lifter design Hydraulic Roller Camshaft Lift 0.502"/0.494" Dur. @ 0.050" 193°/199° LSA 113° LSA Tuning is required with this camshaft if installing it in an engine that came with AFM installed!