Standard Ignition VVT571 Engine Variable Valve Timing (VVT) Sprocket - Intake (Left)

Standard Ignition VVT571 Engine VVT Sprocket

Standard Ignition VVT571 is an engine variable valve timing sprocket built for Subaru applications that use a crankshaft gear design. It is a metal, single-row timing component with 48 teeth and four timing marks for accurate cam timing service on select Subaru WRX STI, Impreza, Forester, Legacy, Outback, and Baja models.

Key Features

• Engine variable valve timing sprocket for timing system service
• Metal gear construction for durable engine use
• Crankshaft gear type with one mounting hole
• 48 teeth and four timing marks for alignment reference
• Inside diameter: 1.24 in. (31.496 mm)
• Outside diameter: 5.05 in. (128.27 mm)
• Thickness: 1.71 in. (43.434 mm)
• Fits intake left and exhaust right Subaru VVT applications listed below

Detailed Description

Standard Ignition VVT571 is a direct-fit variable valve timing sprocket for Subaru engines that require precise timing control at the crankshaft gear location. The metal gear design, 48-tooth profile, and four timing marks support accurate alignment during timing service. This part number is used across multiple Subaru platforms, including 2004-2014 Subaru Impreza intake left applications, 2004-2013 Subaru Forester intake left applications, 2005-2012 Subaru Legacy intake left applications, 2005-2009 Subaru Outback intake left applications, 2004-2006 Subaru Baja intake left applications, and 2015 Subaru WRX STI intake left or 2019-2020 Subaru WRX STI exhaust right applications. Standard Ignition VVT571 also cross-references 13322AA000 and VV5076 for the same application.

What This Part Helps Address

• Timing chain or sprocket wear found during engine service
• Incorrect cam timing caused by a damaged VVT sprocket
• Timing mark visibility issues during engine reassembly
• Rough engine operation related to worn valve timing components
• Service replacement needs on Subaru WRX STI, Impreza, Forester, Legacy, Outback, and Baja engines

Installation Notes and Tips

Verify engine position and timing marks before removal and installation. Confirm the correct side and position for your vehicle: Fits 2019-2020 Subaru WRX STI, Exhaust (Right); Fits 2015 Subaru WRX STI, Intake (Left); Fits 2004-2014 Subaru Impreza, Intake (Left); Fits 2004-2013 Subaru Forester, Intake (Left); Fits 2005-2012 Subaru Legacy, Intake (Left); Fits 2005-2009 Subaru Outback, Intake (Left); Fits 2004-2006 Subaru Baja, Intake (Left). Compare the original sprocket dimensions and tooth count before installation, and follow the factory service procedure for timing alignment.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for engine management and ignition components. VVT571 is built to match the listed Subaru fitments and dimensional specifications for service replacement use.