{"product_id":"bcbc-mpr-638-engine-push-rod-intake","title":"BCBC MPR-638 Engine Push Rod - Intake","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eMelling push rod MPR-638 is a standard replacement engine push rod for intake valve train applications. It is built from welded steel with ball ends and drilled construction, and it measures 8.19 inches in length with a 0.375-inch diameter.\u003c\/p\u003e\u003cp\u003eFits 2001-2009 Chevrolet Silverado 2500 HD, intake and fits 2001-2006 GMC Sierra 2500 HD, intake. This MPR-638 application also covers Chevrolet and GMC heavy-duty trucks and vans in the same intake position.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWelded steel construction for valve train service.\u003c\/li\u003e\n\u003cli\u003eBall end top and bottom tips for proper engagement.\u003c\/li\u003e\n\u003cli\u003eDrilled design for oiling and internal flow.\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade for OEM-style service.\u003c\/li\u003e\n\u003cli\u003eMade in the USA.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eMPR-638 is part of Melling's push rod line for standard and performance engine applications. Melling recommends replacing push rods during service to maintain correct valve train geometry and consistent performance. This part number is also cross-referenced to 12556295 and PR-638 for the same application.\u003c\/p\u003e\u003cp\u003eCompatible with intake positions on Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500, Chevrolet Avalanche 2500, GMC Sierra 2500 HD, GMC Sierra 3500, GMC Yukon XL 2500, Chevrolet C4500 Kodiak, Chevrolet C5500 Kodiak, Chevrolet C6500 Kodiak, Chevrolet C7500 Kodiak, GMC C5500 Topkick, GMC C6500 Topkick, and GMC C7500 Topkick applications listed in the fitment data. MPR-638 is a direct-fit choice for service work on these Chevrolet and GMC platforms when the original push rod matches the listed dimensions and design.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestoring correct valve train geometry after wear or damage.\u003c\/li\u003e\n\u003cli\u003eReplacing a bent, worn, or fatigued push rod.\u003c\/li\u003e\n\u003cli\u003eAddressing valvetrain noise caused by incorrect push rod condition.\u003c\/li\u003e\n\u003cli\u003eSupporting consistent intake valve operation in stock engine setups.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify length, diameter, and tip style against the removed part before installation. Confirm intake-side application and inspect related valve train components for wear before reassembly. Follow the engine manufacturer's service procedures and torque specifications during installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eMelling manufactures this push rod in the USA and builds it to stringent production specifications using quality materials and controlled manufacturing processes.\u003c\/p\u003e","brand":"BCBC","offers":[{"title":"Default Title","offer_id":53721577062581,"sku":"BCBC-MPR-638","price":13.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ML_MPR638_Lef.jpg?v=1794124237","url":"https:\/\/www.partcatalog.com\/products\/bcbc-mpr-638-engine-push-rod-intake","provider":"PartCatalog","version":"1.0","type":"link"}