Standard Ignition VVT544 Engine Variable Valve Timing (VVT) Sprocket - Intake (Left)

Overview of Standard Ignition VVT544 Engine Variable Valve Timing Sprocket

The Standard Ignition VVT544 is a precision-engineered engine variable valve timing (VVT) sprocket designed specifically for Infiniti FX45 and M45 models. This crankshaft gear component ensures accurate timing control for optimal engine performance and efficiency.

• Compatible with Infiniti FX45 and M45 vehicles
• Durable metal gear construction
• Crankshaft gear type with 46 teeth
• Includes keyway notch for secure fitment
• Single mounting hole with lug hole diameter of 0.46 inches (11.684 mm)
• Outside diameter measures 3.56 inches (90.424 mm)
• Thickness of 0.32 inches (8.128 mm) with matching tooth width
• Equipped with 4 timing marks for precise alignment

Detailed Product Description

The Standard Ignition VVT544 sprocket is constructed from high-quality metal to withstand the demands of engine variable valve timing systems. Featuring a crankshaft gear type with 46 teeth, this sprocket is designed to maintain accurate timing synchronization in Infiniti FX45 and M45 engines. The sprocket’s inside diameter of 1.13 inches (28.702 mm) and a keyway notch ensure a secure and precise fit on the crankshaft. Its single mounting hole and lug hole diameter of 0.46 inches (11.684 mm) facilitate straightforward installation. The sprocket’s thickness and tooth width both measure 0.32 inches (8.128 mm), providing consistent engagement with the timing chain. Additionally, the four timing marks on the sprocket assist in proper alignment during installation and maintenance.

Common Applications and Issues Addressed

• Restores proper variable valve timing function in Infiniti FX45 and M45 engines
• Resolves timing chain slippage or misalignment problems
• Eliminates engine performance issues related to faulty VVT sprockets
• Prevents irregular engine idling and rough running conditions
• Supports maintenance and repair of the valve train components

Installation Notes and Tips

• Ensure engine is cool and battery disconnected before installation
• Align the sprocket’s timing marks precisely with the engine timing marks
• Verify the keyway notch is properly seated on the crankshaft key
• Use appropriate torque specifications for mounting hardware (hardware not included)
• Inspect timing chain and related components for wear during replacement

Quality Assurance and Warranty

Standard Ignition manufactures the VVT544 sprocket to meet OEM specifications for durability and performance. The metal gear construction provides reliable service life under normal operating conditions. While hardware is not included, the sprocket is designed for direct replacement in compatible Infiniti FX45 and M45 engines. Warranty coverage details should be confirmed with the point of purchase or Standard Ignition documentation.