Standard Ignition VVT674 Engine Variable Valve Timing (VVT) Sprocket - Intake

Overview of Standard Ignition VVT Sprocket for Kia Optima

The Standard Ignition VVT674 is a precision-engineered engine variable valve timing (VVT) sprocket designed specifically for Kia Optima models. This crankshaft gear component plays a critical role in optimizing engine timing and performance by accurately controlling valve operation.

• Engine variable valve timing sprocket for Kia Optima
• Durable metal gear construction
• Crankshaft gear type with 42 teeth
• Single mounting hole with 0.39 inch diameter
• Inside diameter of 2.19 inches (55.626 mm)
• Outside diameter of 4.24 inches (107.696 mm)
• Thickness of 0.16 inches (4.064 mm)
• Includes one timing mark for precise alignment

Detailed Product Description

The Standard Ignition part number VVT674 is a non-adjustable engine variable valve timing sprocket constructed from metal to ensure durability and reliable performance. It features a crankshaft gear type with 42 teeth arranged in a single row, designed to mesh precisely with the timing chain system. The sprocket has an inside diameter of 2.19 inches (55.626 mm) and an outside diameter of 4.24 inches (107.696 mm), with a thickness of 0.16 inches (4.064 mm) and a tooth width matching the thickness. This component includes one mounting hole with a lug hole diameter of 0.39 inches (9.906 mm) and one timing mark to assist in accurate installation and timing alignment. The absence of a keyway notch indicates it relies on the mounting hole for secure positioning on the crankshaft.

Compatible Vehicles and Applications

This engine variable valve timing sprocket is compatible with Kia Optima models requiring part number VVT674. It is designed to maintain proper valve timing, which is essential for engine efficiency and emissions control.

• Corrects timing chain slack and wear issues
• Resolves engine performance problems related to valve timing
• Addresses rough idling or misfires caused by timing misalignment
• Prevents potential engine damage from improper valve timing

Installation Notes and Tips

Installation of the Standard Ignition VVT674 sprocket should be performed by a qualified technician familiar with Kia Optima engine timing systems. Ensure the timing mark on the sprocket aligns precisely with the corresponding mark on the engine to maintain correct valve timing. Since hardware is not included, retain original mounting bolts or source appropriate replacements. Verify the sprocket fits securely on the crankshaft without play, and confirm the absence of a keyway notch does not affect fitment.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable fit and function. The VVT674 sprocket undergoes rigorous quality control to maintain durability and performance standards. Warranty coverage details should be confirmed with the parts provider or manufacturer documentation.