For LS Engines Silverado Sierra 4.8 5.3 6.0 6.2 Stage 2 Truck Camshaft Kit GenericFeatures: Revised camshaft centerline to increase average torqueEngine dynamometers have been shown to produce more powerThese camshafts are durable. Each "stage" is born out of its own specific CAM core. Due to the specific core of each CAM, maximum heat treatment penetration is achieved. Specifics: Condition: 100% Brand NewCamshaft Stage: Stage 2LS Engines: 4. 8, 5. 3, 6. 0, 6. 2, LQ4, LQ9, LM7Lifter Type: Hydraulic RollerLS6 VALVE SPRINGS: Spring