Stage 3 Performance camshaft is a little more agressive than Stage 2 and provides more upper mid to top end power. Idle at 1100 rpm. Requires Programable Tuning. Best Powerband from 3600-6800 rpm on 2.5L and 3400-6600 rpm on 3L engines. Adjustaable Cam gear is recommended. You can move powerband by 200-300 rpm based on settings.