{"product_id":"standard-ignition-vvt684-engine-variable-valve-timing-vvt-sprocket","title":"Standard Ignition VVT684 Engine Variable Valve Timing (VVT) Sprocket - Intake (Right)","description":"\u003ch2\u003eOverview of Standard Ignition VVT684 Engine Variable Valve Timing Sprocket\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition VVT684 is a precision-engineered engine variable valve timing (VVT) sprocket designed specifically for Toyota 86 models. This crankshaft gear component ensures accurate timing control for optimal engine performance and efficiency.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEngine variable valve timing sprocket for Toyota 86\u003c\/li\u003e\n\u003cli\u003eDurable metal gear construction\u003c\/li\u003e\n\u003cli\u003eCrankshaft gear type with keyway notch\u003c\/li\u003e\n\u003cli\u003eInside diameter: 1.78 inches (45.212 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 3.69 inches (93.726 mm)\u003c\/li\u003e\n\u003cli\u003eThickness: 0.16 inches (4.064 mm)\u003c\/li\u003e\n\u003cli\u003e36 teeth with 5 timing marks\u003c\/li\u003e\n\u003cli\u003eSingle mounting hole and single gear row\u003c\/li\u003e\n\u003cli\u003eNon-adjustable design\u003c\/li\u003e\n\u003cli\u003eHardware not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition VVT684 sprocket is crafted from metal to provide reliable durability and consistent performance in the valve train system of the Toyota 86. Featuring a crankshaft gear type with a keyway notch, this sprocket ensures secure and precise alignment during installation. Its 36 teeth and 5 timing marks facilitate accurate variable valve timing adjustments, which are critical for engine efficiency and emissions control. The sprocket measures 1.78 inches (45.212 mm) in inside diameter and 3.69 inches (93.726 mm) in outside diameter, with a thickness of 0.16 inches (4.064 mm), making it compatible with the specific requirements of the Toyota 86 engine design.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper variable valve timing function in Toyota 86 engines\u003c\/li\u003e\n\u003cli\u003eReplaces worn or damaged crankshaft sprockets causing timing issues\u003c\/li\u003e\n\u003cli\u003eAddresses engine performance problems related to valve timing misalignment\u003c\/li\u003e\n\u003cli\u003eHelps reduce engine noise and improve fuel efficiency\u003c\/li\u003e\n\u003cli\u003eSupports emission control by maintaining correct valve timing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Standard Ignition VVT684 sprocket requires careful alignment of the keyway notch and timing marks to ensure proper valve timing. Since hardware is not included, use existing or manufacturer-recommended fasteners. It is advisable to consult the Toyota 86 service manual for torque specifications and timing procedures. Professional installation is recommended to avoid engine damage and ensure optimal performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eStandard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable fit and function. The VVT684 sprocket undergoes rigorous quality control to maintain durability and performance standards. Warranty coverage details should be confirmed with the point of purchase or Standard Ignition documentation.\u003c\/p\u003e","brand":"Standard Ignition","offers":[{"title":"Default Title","offer_id":44721120510133,"sku":"FBHK-VVT684","price":289.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SI_VVT684_Fro.jpg?v=1775096067","url":"https:\/\/www.partcatalog.com\/products\/standard-ignition-vvt684-engine-variable-valve-timing-vvt-sprocket","provider":"PartCatalog","version":"1.0","type":"link"}