{"product_id":"fmbp-474004-engine-valve-lock","title":"FMBP 474004 Engine Valve Lock","description":"\u003ch2\u003eEngine valve lock for performance builds\u003c\/h2\u003e\u003cp\u003eThis Melling engine valve lock is a steel replacement component for valve train service on a wide range of Chrysler, Dodge, and Plymouth performance applications. Part number 474004 is specified for exhaust-side use in many classic V8 applications and is built to meet OEM-level requirements.\u003c\/p\u003e\u003cp\u003eUse 474004 when rebuilding or servicing the valve train on vehicles such as the Dodge Charger, Dodge Dart, and Plymouth Road Runner. The 14-degree lock angle, 4-groove design, and 0.350-inch valve stem diameter help match the intended valve setup for the listed applications.\u003c\/p\u003e\u003ch2\u003eKey features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSteel construction for valve train service\u003c\/li\u003e\n\u003cli\u003ePerformance grade design\u003c\/li\u003e\n\u003cli\u003e14-degree lock angle\u003c\/li\u003e\n\u003cli\u003e4-groove configuration\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eEngineered to meet or exceed OEM requirements\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplication details\u003c\/h2\u003e\u003cp\u003eFits 1959-2003 Dodge, Chrysler, and Plymouth applications listed in the fitment table, with exhaust-side performance use noted for each vehicle. This part number 474004 is used across many classic Mopar engines, including Dodge Charger, Dodge Dart, and Plymouth Road Runner applications, where correct valve retention is critical during engine assembly.\u003c\/p\u003e\u003cp\u003eThis part cross-references Monroe Shocks \u0026amp; Struts (e.g., 172286, 182286) for the same application.\u003c\/p\u003e\u003ch2\u003eWhat it is used for\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacing worn or damaged valve locks during engine rebuilds\u003c\/li\u003e\n\u003cli\u003eSecuring valve stems in performance valve train assemblies\u003c\/li\u003e\n\u003cli\u003eRestoring proper valve retention after teardown\u003c\/li\u003e\n\u003cli\u003eSupporting correct assembly on exhaust-side valve service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation notes and quality\u003c\/h2\u003e\u003cp\u003eInstall with new valve locks rather than reusing old ones. Melling states that new valve locks should be used for both reclaimed and new engine valves, and that reused locks should always be replaced. Verify valve stem diameter, groove count, and lock angle before assembly to confirm the correct match for the application.\u003c\/p\u003e\u003cp\u003eMelling manufactures this part in the USA and states that it is engineered to meet or exceed OEM requirements for each application.\u003c\/p\u003e","brand":"FMBP","offers":[{"title":"Default Title","offer_id":53721566478517,"sku":"FMBP-474004","price":12.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ML_474004_Ang.jpg?v=1794122240","url":"https:\/\/www.partcatalog.com\/products\/fmbp-474004-engine-valve-lock","provider":"PartCatalog","version":"1.0","type":"link"}