Standard Ignition VVT656 Engine Variable Valve Timing (VVT) Sprocket - Left Bank or Right Bank

Overview of Standard Ignition VVT656 Engine Variable Valve Timing Sprocket

The Standard Ignition VVT656 is a precision-engineered engine variable valve timing (VVT) sprocket designed for select Toyota, Lexus, and Scion models. This crankshaft gear plays a critical role in optimizing engine timing for improved performance and efficiency in vehicles such as the Toyota Corolla, Prius, Prius V, Scion xD, and Lexus CT200h.

• Engine variable valve timing sprocket for accurate timing control
• Durable metal gear construction for long-lasting performance
• Crankshaft gear type with 36 teeth and 3 timing marks
• Inside diameter of 1.33 inches (33.782 mm) with keyway notch for secure fitment
• Outside diameter of 3.67 inches (93.218 mm) and thickness of 0.16 inches (4.064 mm)
• Single mounting hole with 0.44 inch (11.176 mm) lug hole diameter

Detailed Product Description

The Standard Ignition VVT656 sprocket is manufactured from high-quality metal to ensure durability and reliable operation within the engine's valve train system. Featuring a crankshaft gear type with 36 teeth and three timing marks, this sprocket is designed to maintain precise engine variable valve timing. The sprocket’s inside diameter measures 1.33 inches (33.782 mm) and includes a keyway notch, which helps secure the sprocket firmly on the crankshaft, preventing slippage during engine operation. Its outside diameter is 3.67 inches (93.218 mm) with a thickness of 0.16 inches (4.064 mm), providing the necessary strength and stability for consistent performance.

Compatible Vehicles and Applications

This VVT sprocket is compatible with a range of Toyota, Lexus, and Scion vehicles, including:

• Toyota Corolla
• Toyota Prius and Prius V
• Lexus CT200h
• Scion xD

It is specifically designed to work with the engine variable valve timing system in these models, ensuring proper timing adjustments for optimal engine efficiency and emissions control.

Common Issues Addressed by VVT656 Sprocket

• Irregular or poor engine timing leading to reduced fuel efficiency
• Engine performance issues related to variable valve timing malfunction
• Excessive engine noise or vibration caused by worn or damaged sprocket
• Check engine light triggered by VVT system faults
• Potential engine misfires due to timing inconsistencies

Installation Notes and Tips

When installing the Standard Ignition VVT656 sprocket, ensure the keyway notch aligns correctly with the crankshaft key to prevent slippage. Verify that the sprocket’s timing marks correspond with the engine’s timing reference points for accurate valve timing. This part does not include installation hardware, so retain original bolts or source appropriate fasteners. 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 specifications, providing reliable fit and function. The VVT656 sprocket undergoes rigorous quality control to ensure durability and performance in demanding engine environments. Warranty coverage details should be confirmed with the product documentation or supplier.