{"product_id":"standard-ignition-vvt521-engine-variable-valve-timing-vvt-sprocket","title":"Standard Ignition VVT521 Engine Variable Valve Timing (VVT) Sprocket - Exhaust","description":"\u003ch2\u003eOverview of Standard Ignition VVT521 Engine Variable Valve Timing Sprocket\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition VVT521 is an engine variable valve timing sprocket designed for precise timing control in select GM vehicles. This component is essential for maintaining optimal engine performance in models such as the Chevrolet Malibu, Buick LaCrosse, and Cadillac CTS.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEngine variable valve timing sprocket for accurate camshaft timing\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple GM makes including Buick, Cadillac, Chevrolet, GMC, Pontiac, and Saturn\u003c\/li\u003e\n\u003cli\u003eFits popular models like Acadia, Camaro, Equinox, and Traverse\u003c\/li\u003e\n\u003cli\u003ePart number VVT521 ensures correct replacement part\u003c\/li\u003e\n\u003cli\u003eWasher not included with this sprocket\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition VVT521 sprocket plays a critical role in the variable valve timing system by adjusting camshaft position relative to the crankshaft. This adjustment improves engine efficiency, power delivery, and emissions control. Designed specifically for GM vehicles such as the Cadillac ATS, Chevrolet Impala, and GMC Terrain, this sprocket meets OEM specifications to ensure proper fit and function. The absence of a washer means installation requires attention to existing hardware or separate purchase of necessary washers.\u003c\/p\u003e\u003ch2\u003eApplications and Common Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper variable valve timing function in Buick Enclave and Cadillac SRX\u003c\/li\u003e\n\u003cli\u003eResolves engine performance issues related to timing irregularities in Chevrolet Camaro and Pontiac G8\u003c\/li\u003e\n\u003cli\u003eHelps correct rough idling or reduced fuel efficiency in Saturn Vue and GMC Acadia Limited\u003c\/li\u003e\n\u003cli\u003eAddresses check engine light codes related to camshaft timing in Chevrolet Equinox and Buick LaCrosse\u003c\/li\u003e\n\u003cli\u003eSupports smooth engine operation in Cadillac XTS and Chevrolet Caprice\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure engine is cool before beginning installation\u003c\/li\u003e\n\u003cli\u003eVerify compatibility with vehicle make and model prior to purchase\u003c\/li\u003e\n\u003cli\u003eUse proper tools to avoid damage to the sprocket or timing components\u003c\/li\u003e\n\u003cli\u003eCheck for the presence of washers or other hardware as this part does not include a washer\u003c\/li\u003e\n\u003cli\u003eFollow manufacturer torque specifications during installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eStandard Ignition parts are manufactured to meet or exceed OEM standards for durability and performance. The VVT521 sprocket undergoes rigorous quality control to ensure reliable operation within the variable valve timing system. Warranty coverage details should be confirmed with the original product documentation or authorized distributor.\u003c\/p\u003e","brand":"Standard Ignition","offers":[{"title":"Default Title","offer_id":44721064476853,"sku":"FBHK-VVT521","price":89.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SI_VVT521_Fro_0f7f5fb6-3cd1-4b5c-95db-ceb6124bb990.jpg?v=1775096028","url":"https:\/\/www.partcatalog.com\/products\/standard-ignition-vvt521-engine-variable-valve-timing-vvt-sprocket","provider":"PartCatalog","version":"1.0","type":"link"}