Variable Valve Timing Assembly - Description

DESCRIPTION

The 8.4L Viper engine is equipped with Variable Valve Timing (VVT). This system advances and/or retards exhaust camshaft timing to improve engine performance, mid-range torque, idle quality, fuel economy, and reduce emissions. The VVT assembly bolts to the camshaft assembly in the and is serviced as an assembly in the upper camshaft chain sprocket area. VVT assemblies are sometimes referred to as camshaft phasers.