Standard Ignition VVT661 Engine Variable Valve Timing (VVT) Sprocket - Intake

Overview of Standard Ignition VVT661 Engine Variable Valve Timing Sprocket

The Standard Ignition VVT661 is a precision-engineered engine variable valve timing (VVT) sprocket designed for select Hyundai and Kia models. This crankshaft gear component ensures accurate timing control for optimal engine performance in vehicles such as the Hyundai Accent, Kia Forte5, and Kia Soul.

• Engine variable valve timing sprocket for precise timing control
• Durable metal gear construction for long-lasting performance
• Crankshaft gear type with 36 teeth and 3 timing marks
• Inside diameter of 1.25 inches (31.75 mm) and outside diameter of 3.67 inches (93.218 mm)
• Single mounting hole with a lug hole diameter of 0.4 inches (10.16 mm)
• Thickness of 0.16 inches (4.064 mm) with a single row of teeth
• Compatible with Hyundai Accent, Kia Forte5, Forte Koup, Rio, Soul, and Veloster

Detailed Product Description

The Standard Ignition VVT661 sprocket is constructed from metal to provide reliable durability under engine operating conditions. It features a crankshaft gear type with 36 teeth arranged in a single row, accompanied by three timing marks to assist in precise valve timing adjustments. The sprocket’s inside diameter measures 1.25 inches (31.75 mm), fitting securely onto the crankshaft, while the outside diameter is 3.67 inches (93.218 mm). The thickness and tooth width are both 0.16 inches (4.064 mm), ensuring consistent engagement with the timing chain. This sprocket does not include hardware and is non-adjustable, designed specifically for direct replacement in compatible Hyundai and Kia vehicles.

Compatible Vehicles and Applications

This VVT sprocket is compatible with a range of Hyundai and Kia models, including:

• Hyundai Accent
• Kia Forte5
• Kia Forte Koup
• Kia Rio
• Kia Soul
• Hyundai Veloster

It is engineered to maintain proper valve timing, which is critical for engine efficiency and emissions control in these vehicles.

Common Issues Addressed by the VVT661 Sprocket

• Irregular or poor engine performance due to faulty valve timing
• Engine misfires or rough idling caused by worn timing components
• Check engine light triggered by variable valve timing sensor errors
• Reduced fuel efficiency linked to improper valve timing
• Noise or vibration from damaged or worn sprocket teeth

Installation Notes and Tips

Installation of the Standard Ignition VVT661 sprocket requires proper alignment of the timing marks to ensure accurate valve timing. It is recommended to consult the vehicle’s service manual for torque specifications and timing procedures. Since hardware is not included, retain or replace mounting bolts as necessary. Professional installation is advised to avoid engine damage.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable fit and function. The VVT661 sprocket undergoes rigorous quality control to maintain durability and performance standards. Warranty coverage details should be confirmed with the product documentation or distributor.