{"product_id":"bcbc-s459-engine-timing-crankshaft-sprocket","title":"BCBC S459 Engine Timing Crankshaft Sprocket","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eMelling S459 is an engine timing crankshaft sprocket for stock applications that require a direct replacement timing component. It is built for Toyota engines in Celica, Corona, and Pickup applications and is identified by part number S459.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEngine timing crankshaft sprocket for valve train service\u003c\/li\u003e\n\u003cli\u003eStock application fitment for original-style engine rebuilds\u003c\/li\u003e\n\u003cli\u003eManufactured to required specifications using current production processes\u003c\/li\u003e\n\u003cli\u003eAvailable in steel or powdered metal construction within the Melling timing gear and sprocket program\u003c\/li\u003e\n\u003cli\u003eOne-keyway design for the listed application\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThe Melling S459 timing crankshaft sprocket is part of the brand’s timing gear and sprocket program, which includes individual sprockets as well as complete timing kit options. For Toyota Celica, Toyota Corona, and Toyota Pickup engines in the listed stock applications, this sprocket provides the timing drive component needed during engine service or rebuild work. The S459 part number is also cross-referenced to 13521-38010 and G50068 for the same application.\u003c\/p\u003e\u003cp\u003eMelling manufactures these sprockets to the required specifications with materials selected for engine timing service. The product line includes steel and powdered metal options, giving rebuilders a timing component built around the needs of the application rather than a universal fit.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacing a worn or damaged crankshaft sprocket during engine rebuilds\u003c\/li\u003e\n\u003cli\u003eRestoring proper timing drive engagement in stock engine applications\u003c\/li\u003e\n\u003cli\u003eAddressing timing noise or wear related to sprocket deterioration\u003c\/li\u003e\n\u003cli\u003eSupporting accurate cam-to-crank timing setup during service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the engine application, timing set configuration, and keyway requirements before installation. Match the sprocket to the listed stock fitment and confirm compatibility with the timing chain and related components used in the engine build. Professional installation and timing verification are recommended after assembly.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eMelling positions this sprocket within its timing gear and sprocket program for engine rebuild use, with manufacturing focused on required specifications and modern production methods.\u003c\/p\u003e","brand":"BCBC","offers":[{"title":"Default Title","offer_id":53669354078389,"sku":"BCBC-S459","price":19.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ML_S459_Fro.jpg?v=1793691198","url":"https:\/\/www.partcatalog.com\/products\/bcbc-s459-engine-timing-crankshaft-sprocket","provider":"PartCatalog","version":"1.0","type":"link"}