Standard Ignition VVT650 Engine Variable Valve Timing (VVT) Sprocket - Exhaust (Right)

Overview of Standard Ignition VVT650 Engine Variable Valve Timing Sprocket

The Standard Ignition VVT650 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 GS350, GS450h, IS300, IS350, RC300, and RC350.

• Durable metal gear material for long-lasting performance
• Crankshaft gear type with a single row and 24 teeth
• Inside diameter of 1.32 inches (33.528 mm) with keyway notch for secure fitment
• Outside diameter measures 3.25 inches (82.55 mm) with a thickness of 0.21 inches (5.334 mm)
• Includes one mounting hole with a lug hole diameter of 0.48 inches (12.192 mm)
• Equipped with three timing marks for precise valve timing adjustments
• Non-adjustable design for consistent engine timing
• Hardware not included

Detailed Product Description

The Standard Ignition VVT650 sprocket is specifically manufactured to meet the exacting standards required for engine variable valve timing systems in Lexus vehicles. Constructed from robust metal, this crankshaft gear features 24 teeth arranged in a single row, providing reliable engagement with the timing chain. The sprocket’s 1.32-inch inside diameter and keyway notch ensure a secure and accurate fit on the crankshaft, minimizing the risk of slippage or misalignment. Its 3.25-inch outside diameter and 0.21-inch thickness contribute to its structural integrity and durability under engine operating conditions. The inclusion of three timing marks facilitates precise calibration of the valve timing system, which is critical for maintaining engine efficiency and performance.

Compatible Vehicles and Applications

This engine variable valve timing sprocket is compatible with the following Lexus models:

• Lexus GS350
• Lexus GS450h
• Lexus IS300
• Lexus IS350
• Lexus RC300
• Lexus RC350

It is designed to replace the original equipment part number and restore proper VVT function in these vehicles.

Common Issues Addressed by the VVT650 Sprocket

• Irregular or inconsistent valve timing causing engine performance issues
• Wear or damage to the original crankshaft sprocket affecting timing chain engagement
• Engine misfires or rough idling related to faulty VVT components
• Reduced fuel efficiency due to improper valve timing
• Check engine light triggered by VVT system faults

Installation Notes and Tips

• Ensure the engine is cool and the battery is disconnected before installation
• Verify the correct alignment of timing marks during installation to maintain engine timing accuracy
• Use appropriate tools to avoid damaging the sprocket or crankshaft
• Hardware is not included; reuse original mounting hardware or source compatible replacements
• Consult the vehicle’s service manual for torque specifications and detailed installation procedures

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The VVT650 sprocket undergoes rigorous quality control inspections to maintain consistency and fitment accuracy. While specific warranty details may vary, Standard Ignition typically offers a limited warranty against defects in material and workmanship. Refer to the product documentation or manufacturer’s website for complete warranty information.