Standard Ignition VVT665 Engine Variable Valve Timing (VVT) Sprocket - Intake

Overview of Standard Ignition VVT665 Engine Variable Valve Timing Sprocket

The Standard Ignition VVT665 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 Sonata and Kia Sorento.

• Engine variable valve timing sprocket for precise timing control
• Durable metal gear construction for long-lasting performance
• Crankshaft gear type with 42 teeth and 5 timing marks
• Inside diameter of 1.25 inches (31.75 mm) and outside diameter of 4.27 inches (108.458 mm)
• Single mounting hole with a lug hole diameter of 0.41 inches (10.414 mm)
• Thickness of 0.16 inches (4.064 mm) and tooth width matching thickness
• Compatible with Hyundai Optima, Santa Fe Sport, Sonata, and Kia Sorento, Sportage, Tucson

Detailed Product Description

The Standard Ignition VVT665 sprocket is a critical component in the variable valve timing system, responsible for adjusting the timing of the crankshaft gear to optimize engine efficiency and emissions. Manufactured from robust metal, this sprocket features a single row of 42 teeth and five timing marks to facilitate precise alignment during installation. Its 1.25-inch inside diameter and 4.27-inch outside diameter ensure a proper fit on the crankshaft, while the 0.41-inch lug hole diameter accommodates secure mounting. The sprocket is non-adjustable and does not include hardware, making it essential to use with compatible OEM or aftermarket fasteners.

Compatible Vehicles and Applications

This VVT sprocket is specifically designed for use with various Hyundai and Kia models, including:

• Hyundai Optima
• Hyundai Santa Fe Sport
• Hyundai Sonata
• Kia Sorento
• Kia Sportage
• Kia Tucson

It is engineered to maintain proper valve timing, which is crucial for engine performance and fuel efficiency in these vehicles.

Common Issues Addressed by the VVT665 Sprocket

• Irregular or poor engine timing causing rough idling or reduced power
• Check engine light triggered by variable valve timing faults
• Decreased fuel efficiency due to improper valve timing
• Engine hesitation or stalling during acceleration
• Noise or vibration related to worn or damaged timing components

Installation Notes and Tips

• Ensure the engine is cool and the battery is disconnected before installation
• Verify compatibility with your specific Hyundai or Kia model and engine type
• Use proper torque specifications when mounting the sprocket to avoid damage
• Align the five timing marks carefully to maintain correct valve timing
• Replace any worn timing chain or related components during installation for best results

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The VVT665 sprocket undergoes rigorous quality control to maintain precise dimensions and material integrity. While specific warranty details may vary, Standard Ignition typically offers a limited warranty against defects in material and workmanship. Consult product documentation or your parts supplier for exact warranty terms.