{"product_id":"bcbc-mrk-550-2-engine-rocker-arm-kit","title":"BCBC MRK-550-2 Engine Rocker Arm Kit","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe Melling MRK-550-2 engine rocker arm kit is a standard replacement service kit for stock valve train applications. It is made in the USA and built around steel, non-roller rocker arms with adjustable operation for the listed fitments.\u003c\/p\u003e\u003cp\u003eCompatible with a wide range of Buick, Cadillac, Chevrolet, Oldsmobile, Pontiac, and GMC applications, this kit is organized to simplify rocker arm selection for a stock-style engine rebuild. The MRK-550-2 is a practical choice when replacing worn valve train components on classic GM platforms.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eStandard replacement rocker arm kit for stock valve train service\u003c\/li\u003e\n\u003cli\u003eSteel rocker arm body construction\u003c\/li\u003e\n\u003cli\u003eNon-roller rocker arm body type\u003c\/li\u003e\n\u003cli\u003eAdjustable design for engine-specific setup\u003c\/li\u003e\n\u003cli\u003eMounting studs included for the application\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eMelling MRK-550-2 is an engine rocker arm kit intended for stock replacement use in compatible GM V8 applications. The kit includes the rocker arm and the correct fulcrum, bolt, and stud combinations for the engine application, helping streamline parts selection during a valve train rebuild. With steel construction and an adjustable, non-roller design, it supports service work where original-style components are being renewed. This part cross-references Monroe Shocks \u0026amp; Struts (e.g., RK-550-2, RK-550-X) for the same application.\u003c\/p\u003e\u003cp\u003eFor buyers searching for an engine rocker arm kit for Buick LeSabre, Chevrolet Caprice, or Oldsmobile Cutlass Supreme applications, MRK-550-2 provides a stock replacement solution with application-specific hardware selection. It is also listed for additional Buick, Cadillac, Chevrolet, Oldsmobile, Pontiac, and GMC models across the 1980-1990 range.\u003c\/p\u003e\u003ch2\u003eCommon Uses\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacing worn rocker arms during a valve train rebuild\u003c\/li\u003e\n\u003cli\u003eRestoring proper valve actuation in stock engine assemblies\u003c\/li\u003e\n\u003cli\u003eAddressing noisy or inconsistent rocker arm operation\u003c\/li\u003e\n\u003cli\u003eRefreshing aging top-end components on classic GM engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify engine application, rocker arm style, and hardware requirements before installation. This kit is listed with mounting studs included and mounting bolts not included. Follow the engine builder’s specifications for adjustment and torque procedures during assembly.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eMelling positions this kit as a standard replacement service part and notes that it is made in the USA. The MRK-550-2 is intended for stock-style engine service where application-matched rocker arm components are required.\u003c\/p\u003e","brand":"BCBC","offers":[{"title":"Default Title","offer_id":53721580765365,"sku":"BCBC-MRK-550-2","price":20.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ML_MRK5502_Kit.jpg?v=1794124655","url":"https:\/\/www.partcatalog.com\/products\/bcbc-mrk-550-2-engine-rocker-arm-kit","provider":"PartCatalog","version":"1.0","type":"link"}