Standard Ignition VVT684 Engine Variable Valve Timing (VVT) Sprocket - Intake (Right)

Overview of Standard Ignition VVT684 Engine Variable Valve Timing Sprocket

The Standard Ignition VVT684 is a precision-engineered engine variable valve timing (VVT) sprocket designed specifically for Toyota 86 models. This crankshaft gear component ensures accurate timing control for optimal engine performance and efficiency.

• Engine variable valve timing sprocket for Toyota 86
• Durable metal gear construction
• Crankshaft gear type with keyway notch
• Inside diameter: 1.78 inches (45.212 mm)
• Outside diameter: 3.69 inches (93.726 mm)
• Thickness: 0.16 inches (4.064 mm)
• 36 teeth with 5 timing marks
• Single mounting hole and single gear row
• Non-adjustable design
• Hardware not included

Detailed Product Description

The Standard Ignition VVT684 sprocket is crafted from metal to provide reliable durability and consistent performance in the valve train system of the Toyota 86. Featuring a crankshaft gear type with a keyway notch, this sprocket ensures secure and precise alignment during installation. Its 36 teeth and 5 timing marks facilitate accurate variable valve timing adjustments, which are critical for engine efficiency and emissions control. The sprocket measures 1.78 inches (45.212 mm) in inside diameter and 3.69 inches (93.726 mm) in outside diameter, with a thickness of 0.16 inches (4.064 mm), making it compatible with the specific requirements of the Toyota 86 engine design.

Common Applications and Problem Resolution

• Restores proper variable valve timing function in Toyota 86 engines
• Replaces worn or damaged crankshaft sprockets causing timing issues
• Addresses engine performance problems related to valve timing misalignment
• Helps reduce engine noise and improve fuel efficiency
• Supports emission control by maintaining correct valve timing

Installation Notes and Tips

Installation of the Standard Ignition VVT684 sprocket requires careful alignment of the keyway notch and timing marks to ensure proper valve timing. Since hardware is not included, use existing or manufacturer-recommended fasteners. It is advisable to consult the Toyota 86 service manual for torque specifications and timing procedures. Professional installation is recommended to avoid engine damage and ensure optimal performance.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable fit and function. The VVT684 sprocket undergoes rigorous quality control to maintain durability and performance standards. Warranty coverage details should be confirmed with the point of purchase or Standard Ignition documentation.