Variable Valve Timing Sprockets alter timing to improve engine performance, fuel economy, and emissions.

Walker Products began supplying the fuel system needs of the automotive industry in 1946. Today Walker is one of the largest, privately owned manufacturers of fuel system components and engine sensors, and has served the needs of the worldwide automotive aftermarket. We are committed to supplying products manufactured to meet or exceed OEM standards and specifications. This effort is backed by our own manufacturing, product management and engineering staff to ensure it is maintained and accurate in the production of quality parts, vehicle applications, instruction sheets and technical support. Our products include Carburetor and Fuel Injection Repair Kits, Oxygen Sensors and other Engine Management products such as Throttle Position Sensors, Cam and Crankshaft Sensors, Fuel Injectors, Spark Plug Wires and Gaskets. As an ISO 9001/IATF16949 certified company, we are committed to supplying the highest quality products. -¬ 2023 Walker Products Inc. All rights reserved.

• Designed to meet or exceed OE specifications in form, fit and function. Direct fit replacement. Direct fit connectors. Made with corrosion resistant housing and mounting brackets. Validated with on-car testing. Endurance tested.

CA_Prop65_Lead:

WARNING: This product can expose you to chemicals, including lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. www.p65warnings.ca.gov

• General Motors: 12672485
• SMP: VVT521
• General Motors: 12614464
• General Motors: 12665857
• Dorman: 917-274
• General Motors: 12630918
• General Motors: 12606653
• Sorensen: 35-1322

• 2007-2008 Buick Allure | Position: Exhaust
• 2007-2008 Buick LaCrosse | Position: Exhaust
• 2007-2013 Cadillac SRX | Position: Exhaust
• 2007-2011 Cadillac STS | Position: Exhaust
• 2007-2009 Pontiac G6 | Position: Exhaust
• 2007-2009 Saturn Aura | Position: Exhaust
• 2007-2010 Saturn Outlook | Position: Exhaust
• 2008-2017 Buick Enclave | Position: Exhaust
• 2010-2016 Buick LaCrosse | Position: Exhaust
• 2008-2015 Chevrolet Captiva Sport | Position: Exhaust
• 2008-2012 Chevrolet Malibu | Position: Exhaust
• 2008-2009 Pontiac G8 | Position: Exhaust
• 2009-2017 Chevrolet Traverse | Position: Exhaust
• 2010-2015 Chevrolet Camaro | Position: Exhaust
• 2010-2017 GMC Terrain | Position: Exhaust
• 2012-2017 Chevrolet Caprice | Position: Exhaust
• 2012-2017 Chevrolet Impala | Position: Exhaust
• 2013-2017 Cadillac ATS | Position: Exhaust
• 2013-2017 Chevrolet Colorado | Position: Exhaust
• 2014-2016 Chevrolet Impala Limited | Position: Exhaust
• 2015-2017 GMC Canyon | Position: Exhaust
• 2017 GMC Acadia Limited | Position: Exhaust
• 2007-2017 Cadillac CTS | Position: Exhaust
• 2007-2017 GMC Acadia | Position: Exhaust
• 2010 Buick Allure | Position: Exhaust
• 2008-2017 Chevrolet Equinox | Position: Exhaust
• 2008-2009 Pontiac Torrent | Position: Exhaust
• 2008-2010 Saturn Vue | Position: Exhaust
• 2013-2017 Cadillac XTS | Position: Exhaust