{"product_id":"cloyes-s249-engine-timing-camshaft-sprocket-front","title":"Cloyes S249 Engine Timing Camshaft Sprocket - Front","description":"\u003ch2\u003eCloyes S249 Timing Camshaft Sprocket\u003c\/h2\u003e\u003cp\u003eCloyes S249 is a specific-fit engine timing camshaft sprocket for front-mounted applications on select Ford and Mercury V8 engines. Built with a cast body, precision-machined bore, and helical tooth form, it is engineered for accurate chain engagement and quiet operation in timing system service.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEngine timing camshaft sprocket for single-row timing chain setups\u003c\/li\u003e\n\u003cli\u003eSpecific fit design with 42 teeth\u003c\/li\u003e\n\u003cli\u003eCast construction with gray finish\u003c\/li\u003e\n\u003cli\u003ePrecision-machined 1.00 in. inside diameter for true fit\u003c\/li\u003e\n\u003cli\u003eHelical tooth form for quieter timing operation\u003c\/li\u003e\n\u003cli\u003eKeyway notch included for proper indexing\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 5.03 in.; thickness: 0.88 in.; tooth width: 0.76 in.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplication Details\u003c\/h2\u003e\u003cp\u003eCompatible With 1955-1958 Ford Thunderbird, front, and 1959-1962 Mercury Colony Park, front. This part number, S249, is also referenced under interchange number EAA6256A for the same application. For restorations and engine rebuilds, Cloyes S249 provides the timing sprocket geometry needed to maintain correct camshaft timing in these classic Ford and Mercury engines.\u003c\/p\u003e\u003ch2\u003eWhat This Part Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWorn or damaged camshaft sprocket teeth\u003c\/li\u003e\n\u003cli\u003eTiming chain noise from an aging sprocket surface\u003c\/li\u003e\n\u003cli\u003eIncorrect chain engagement caused by sprocket wear\u003c\/li\u003e\n\u003cli\u003eTiming system service during engine rebuilds\u003c\/li\u003e\n\u003cli\u003eReplacement of a front timing sprocket on classic Ford Thunderbird or Mercury Colony Park engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eWhen replacing the timing chain, Cloyes recommends replacing the chain tensioner(s), sprocket(s), and guide(s) together so the timing set works as a matched system. Verify engine application, tooth count, and front position before installation. The precision-machined bore and keyway notch are important for correct alignment during timing setup.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eCloyes designs these timing components using CAD-based engineering and advanced materials, then tests them for function and durability before release. S249 is built for dependable service in engine rebuilds and standard replacement work.\u003c\/p\u003e","brand":"Cloyes","offers":[{"title":"Default Title","offer_id":52547031269557,"sku":"BBKX-S249","price":25.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CT_S249_Fro.jpg?v=1781005671","url":"https:\/\/www.partcatalog.com\/products\/cloyes-s249-engine-timing-camshaft-sprocket-front","provider":"PartCatalog","version":"1.0","type":"link"}