Vortec 6.0L Variable Valve Timing V8 SFI engine

The Vortec 6.0L Variable Valve Timing (VVT) V8 engine is the Sierra Denali HD standard workhorse. Generating 360 hp @ 5400 rpm, and 380 lb-ft of torque @ 4200 rpm, it has plenty of power and pull. VVT optimizes high-end power and low-end torque.