{"product_id":"speed-pro-149m-engine-crankshaft-main-bearing-set","title":"Speed Pro 149M Engine Crankshaft Main Bearing Set","description":"\u003ch2\u003eOverview of Speed Pro 149M Main Bearing Set\u003c\/h2\u003e\u003cp\u003eThe Speed Pro 149M engine crankshaft main bearing set is engineered for competition series applications, specifically designed for Ford Modular V8 4.6L engines. This main set is compatible with select Ford, Lincoln, and Mercury models, including the Mustang, Continental, Marauder, and Mark VIII.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDesigned for 4.6L displacement Modular V8 engines\u003c\/li\u003e\n\u003cli\u003eSteel backed overplated bronze alloy construction for durability\u003c\/li\u003e\n\u003cli\u003eSuper duty alloy material for enhanced wear resistance\u003c\/li\u003e\n\u003cli\u003eStandard size main bearing set with sizes Std-.026-.026x-.25mm\u003c\/li\u003e\n\u003cli\u003eCompatible with Ford, Lincoln, and Mercury vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Material Composition\u003c\/h2\u003e\u003cp\u003eThe Speed Pro 149M main bearing set is manufactured using a steel backed overplated bronze alloy, providing a balance of strength and wear resistance essential for high-performance competition engines. The super duty alloy material enhances durability under demanding conditions. This set is designed to meet the exacting standards of Ford Modular V8 engines with a 4.6L displacement, ensuring precise fit and reliable operation. The standard size bearings (Std-.026-.026x-.25mm) accommodate typical engine tolerances for these applications.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis main bearing set is compatible with the following makes and models:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFord Mustang (4.6L Modular V8)\u003c\/li\u003e\n\u003cli\u003eLincoln Continental\u003c\/li\u003e\n\u003cli\u003eMercury Marauder\u003c\/li\u003e\n\u003cli\u003eLincoln Mark VIII\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is intended for competition series use, making it suitable for performance builds and engine rebuilds requiring reliable main bearing support.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by the 149M Main Bearing Set\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWear and scoring of main bearings in high-stress competition engines\u003c\/li\u003e\n\u003cli\u003eExcessive clearance causing crankshaft movement and noise\u003c\/li\u003e\n\u003cli\u003eReduced oil film strength leading to bearing failure\u003c\/li\u003e\n\u003cli\u003eCorrosion and fatigue in standard bearing materials\u003c\/li\u003e\n\u003cli\u003eIncompatibility with high-performance engine demands\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure engine block and crankshaft surfaces are clean and free of debris before installation\u003c\/li\u003e\n\u003cli\u003eVerify bearing clearances using plastigage or micrometer measurements\u003c\/li\u003e\n\u003cli\u003eUse proper lubrication during assembly to prevent initial wear\u003c\/li\u003e\n\u003cli\u003eFollow manufacturer torque specifications for main bearing caps\u003c\/li\u003e\n\u003cli\u003eInspect crankshaft journals for wear or damage prior to installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eSpeed Pro main bearing sets are manufactured to meet OEM specifications for Ford Modular V8 engines. The 149M set undergoes rigorous quality control to ensure material integrity and dimensional accuracy. While specific warranty details are not provided, Speed Pro products typically come with a limited warranty against manufacturing defects. It is recommended to consult the product documentation or supplier for exact warranty terms.\u003c\/p\u003e","brand":"Speed Pro","offers":[{"title":"Default Title","offer_id":44495946875061,"sku":"BHVW-149M","price":146.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SE_149M_Ang.jpg?v=1775021114","url":"https:\/\/www.partcatalog.com\/products\/speed-pro-149m-engine-crankshaft-main-bearing-set","provider":"PartCatalog","version":"1.0","type":"link"}