{"product_id":"standard-ignition-vvt597-engine-variable-valve-timing-vvt-sprocket","title":"Standard Ignition VVT597 Engine Variable Valve Timing (VVT) Sprocket - Intake (Left)","description":"\u003ch2\u003eOverview of Standard Ignition VVT597 Engine Variable Valve Timing Sprocket\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition VVT597 is a precision-engineered engine variable valve timing (VVT) sprocket designed specifically for select Subaru models. This crankshaft gear component ensures accurate timing control for optimal engine performance in Subaru B9 Tribeca, Legacy, and Outback vehicles.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEngine variable valve timing sprocket for precise timing control\u003c\/li\u003e\n\u003cli\u003eDurable metal gear material for long-lasting performance\u003c\/li\u003e\n\u003cli\u003eCrankshaft gear type with 38 teeth and 5 timing marks\u003c\/li\u003e\n\u003cli\u003eInside diameter of 1.25 inches (31.75 mm) and outside diameter of 4.66 inches (118.364 mm)\u003c\/li\u003e\n\u003cli\u003eThickness of 0.2 inches (5.08 mm) with a single mounting hole\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description and Specifications\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition VVT597 sprocket is constructed from robust metal to withstand the demands of engine variable valve timing systems. Featuring a crankshaft gear type with 38 teeth and 5 timing marks, this sprocket provides precise synchronization between the camshaft and crankshaft. The sprocket measures 1.25 inches (31.75 mm) in inside diameter and 4.66 inches (118.364 mm) in outside diameter, with a thickness of 0.2 inches (5.08 mm). It includes one mounting hole with a lug hole diameter of 0.49 inches (12.446 mm) and does not have an adjustable feature or keyway notch. This part is engineered to meet the specifications required for Subaru B9 Tribeca, Legacy, and Outback models, ensuring compatibility and reliable operation.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Common Applications\u003c\/h2\u003e\u003cp\u003eThis engine variable valve timing sprocket is compatible with the following Subaru models:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSubaru B9 Tribeca\u003c\/li\u003e\n\u003cli\u003eSubaru Legacy\u003c\/li\u003e\n\u003cli\u003eSubaru Outback\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is used in the valve train system to regulate the timing of the engine valves, which helps improve fuel efficiency, reduce emissions, and maintain engine performance.\u003c\/p\u003e\u003ch2\u003eIssues Addressed by the VVT597 Sprocket\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eIrregular or poor engine timing causing rough idling or reduced power\u003c\/li\u003e\n\u003cli\u003eEngine misfires related to variable valve timing malfunction\u003c\/li\u003e\n\u003cli\u003eIncreased fuel consumption due to timing inefficiencies\u003c\/li\u003e\n\u003cli\u003eExcessive emissions from improper valve timing\u003c\/li\u003e\n\u003cli\u003eWear or damage to the original crankshaft sprocket affecting engine performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Standard Ignition VVT597 sprocket requires proper alignment of timing marks to ensure accurate valve timing. It is important to verify the inside and outside diameters and mounting hole specifications to confirm fitment. Since hardware is not included, use existing or manufacturer-recommended fasteners. Professional installation or consultation with a qualified mechanic is advised to avoid engine damage.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eStandard Ignition parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. While specific warranty details for part number VVT597 may vary, Standard Ignition typically offers limited warranties covering defects in material and workmanship. Refer to the product documentation or manufacturer for exact warranty terms.\u003c\/p\u003e","brand":"Standard Ignition","offers":[{"title":"Default Title","offer_id":44721089446069,"sku":"FBHK-VVT597","price":223.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SI_VVT597_Fro_d0ae98ce-c08a-478d-9952-94f0cd7d1e34.jpg?v=1775096047","url":"https:\/\/www.partcatalog.com\/products\/standard-ignition-vvt597-engine-variable-valve-timing-vvt-sprocket","provider":"PartCatalog","version":"1.0","type":"link"}