Standard Ignition VVT649 Engine Variable Valve Timing (VVT) Sprocket - Exhaust (Left)

Overview of Standard Ignition VVT649 Engine Variable Valve Timing Sprocket

The Standard Ignition VVT649 is a precision-engineered engine variable valve timing (VVT) sprocket designed for select Lexus models. This crankshaft gear component ensures accurate timing control for optimal engine performance in vehicles such as the Lexus GS300, GS350, GS450h, IS350, RC300, and RC350.

• Engine variable valve timing sprocket for precise timing control
• Durable metal gear material for long-lasting performance
• Crankshaft gear type with 24 teeth and a single timing mark
• Inside diameter of 1.48 inches (37.592 mm) with keyway notch for secure fitment
• Outside diameter measures 3.24 inches (82.296 mm) with 0.21 inch (5.334 mm) thickness
• Single mounting hole with 0.47 inch (11.938 mm) lug hole diameter

Detailed Product Description

The Standard Ignition VVT649 sprocket is manufactured from robust metal to withstand the demanding conditions within the engine valve train system. Featuring a crankshaft gear type with 24 teeth and a single timing mark, this sprocket is engineered to maintain precise valve timing essential for variable valve timing systems. The sprocket’s inside diameter of 1.48 inches (37.592 mm) includes a keyway notch, ensuring a secure and accurate fit on the crankshaft. Its 3.24 inch (82.296 mm) outside diameter and 0.21 inch (5.334 mm) thickness provide the necessary strength and durability for consistent engine operation.

Compatible Lexus Models and Applications

This VVT sprocket is compatible with a range of Lexus vehicles, including the GS300, GS350, GS450h, IS350, RC300, and RC350. It is specifically designed to work with the variable valve timing systems in these models, helping to optimize engine efficiency and performance.

• Restores proper variable valve timing function
• Addresses timing chain or sprocket wear issues
• Helps resolve engine performance irregularities related to valve timing
• Supports smooth engine operation and fuel efficiency

Installation Notes and Tips

When installing the Standard Ignition VVT649 sprocket, ensure the keyway notch aligns correctly with the crankshaft key for proper fitment. Verify the single timing mark is positioned according to manufacturer specifications to maintain accurate valve timing. This sprocket does not include installation hardware, so use existing or OEM components as needed. Proper torque specifications should be followed to avoid damage or misalignment.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. While specific warranty details for part number VVT649 are not provided here, Standard Ignition typically offers coverage against defects in material and workmanship. Refer to the product documentation or manufacturer for exact warranty terms.