Standard Ignition VVT584 Engine Variable Valve Timing (VVT) Sprocket - Right Bank

OE-Style VVT Sprocket Replacement

The Standard Ignition VVT584 is a direct-fit engine variable valve timing sprocket for applications that need accurate cam timing and stable engine operation. It is built to restore horsepower and torque delivery, reduce rough idle, and improve drivability on supported vehicles.

Fits 2008-2012 Chevrolet Colorado, right bank; fits 2008-2012 GMC Canyon, right bank; fits 2008-2010 Hummer H3, right bank; fits 2009-2010 Hummer H3T, right bank; fits 2008-2009 Chevrolet Trailblazer, right bank; fits 2008-2009 GMC Envoy, right bank; fits 2008-2009 Saab 9-7x, right bank; fits 2015 Chevrolet Colorado, right bank.

Key Features

• Engine variable valve timing sprocket for right bank applications
• Precision-machined for accurate VVT operation
• OE-matching sprocket tooth profile for quiet operation
• Designed to reduce leakage and lash for smoother performance
• 100% end-of-line tested to meet or exceed OE performance targets
• Direct-fit OE replacement for service and repair work

Detailed Description

Standard Ignition VVT584 is engineered as an OE replacement VVT sprocket for the right bank on select Chevrolet, GMC, Hummer, and Saab engines. By helping restore correct variable valve timing, this part supports cleaner idle quality, improved throttle response, and more consistent engine efficiency. The precision-machined construction and OE-style tooth profile are intended to maintain quiet operation while minimizing lash and leakage that can affect performance.

This part cross-references Dorman - OE Solutions 918-185 for the same application. Standard Ignition VVT584 is also listed among replacement numbers used in the aftermarket for these engine timing repairs.

What It Helps Fix

• Rough idle caused by worn or inaccurate VVT sprocket operation
• Loss of horsepower or torque from incorrect cam timing
• Excessive timing noise from lash or tooth profile wear
• Reduced engine efficiency tied to variable valve timing issues
• Emissions concerns related to poor valve timing control

Installation Notes and Tips

Verify engine bank location before installation; this sprocket is for the right bank. Confirm exact vehicle fitment by year, make, model, and engine configuration before service, especially on Chevrolet Colorado, GMC Canyon, and Hummer H3 applications. Follow OE service procedures and timing alignment specifications during installation to maintain proper cam timing.

Quality Assurance

Standard Ignition subjects this VVT sprocket to 100% end-of-line testing to help ensure OE-level performance and consistent operation. The design is focused on accurate timing control, reduced lash, and dependable fitment for professional engine repair.