Standard Ignition VVT616 Engine Variable Valve Timing (VVT) Sprocket - Intake (Right)

OE-Style VVT Sprocket for Precise Timing

Standard Ignition VVT616 is a direct-fit engine variable valve timing sprocket for the intake right side. It is built to restore accurate cam timing, smooth idle quality, and consistent drivability in supported applications.

For service on Cadillac XT5, Chevrolet Blazer, GMC Acadia, and other listed vehicles, this OE replacement helps return the engine’s horsepower and torque curve to proper operation while supporting lower emissions and efficient performance.

Key Features

• Engine variable valve timing sprocket for intake right applications
• Precision-machined for accurate VVT operation
• OE-matching sprocket tooth profile for quiet operation
• Designed to reduce leakage and lash
• 100% end-of-line tested for OE-level performance
• OE-style installation bolt included where applicable

Detailed Description

The Standard Ignition VVT616 is engineered as an OE replacement for vehicles that rely on precise variable valve timing control. By maintaining correct cam phasing, it supports smoother idle, restored throttle response, and proper engine efficiency. This part cross-references ACDelco 12666665 for the same application. It is a practical choice for repairs on Cadillac XT5, Chevrolet Blazer, and GMC Acadia models where intake right VVT sprocket service is required.

Common Issues It Can Address

• Rough or unstable idle caused by worn VVT components
• Loss of horsepower or torque from incorrect cam timing
• Increased emissions from timing control issues
• Noise from excessive lash or poor sprocket engagement
• Reduced drivability related to variable valve timing faults

Installation Notes and Tips

Verify engine code, bank, and intake right position before ordering. Confirm fitment against the vehicle’s year, make, and model, including Cadillac XT5, Chevrolet Blazer, Chevrolet Camaro, Chevrolet Colorado, GMC Canyon, and GMC Acadia applications listed for this part. Follow factory service procedures for timing alignment and torque specifications during installation.

Quality Assurance

Standard Ignition tests this VVT sprocket at the end of production to help meet or exceed OE performance expectations. The design focuses on accurate timing control, reduced leakage, and quiet operation for dependable service.