{"product_id":"king-engine-bearings-gm-vortex-gen-iii-ls-series-main-bearing-set-1","title":"King Engine Bearings GM Vortex \/ Gen III LS-Series Main Bearing Set","description":"\u003cp class=\"p1\"\u003e\u003cb\u003eSKU\u003c\/b\u003e: MB5875SI020 \/ \u003cb\u003eUPC\u003c\/b\u003e: 611500626517\u003c\/p\u003e\n\u003ch4 class=\"p1\"\u003e\n\u003cb\u003eKing Engine Bearings GM Vortec\/LS-Series Gen III Main Bearing Set\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/h4\u003e\n\u003cp class=\"p1\"\u003eThe King Engine Bearings GM Vortec\/LS-Series Gen III Main Bearing Set is engineered for high-performance and reliability in GM Vortec and LS-Series Gen III engines. Crafted with precision, these bearings deliver unmatched durability and performance for demanding applications, making them the go-to choice for enthusiasts, racers, and professional engine builders. Designed with advanced bi-metal aluminum silicon base material, this set ensures robust load capacity and wear resistance, tailored for medium-load engines and nodular cast iron crankshafts. With King’s renowned Bull’s Eye Tolerance™ technology, each bearing offers precise wall thickness for a perfect fit, reducing wear and extending engine life. Whether you’re building a high-performance LS engine or restoring a Vortec-powered vehicle, this main bearing set is your ideal solution for lasting performance.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eWhy Choose King Engine Bearings?\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003ePrecision Engineering\u003c\/b\u003e: Manufactured with King’s proprietary Bull’s Eye Tolerance™ for consistent wall thickness, ensuring a precise fit and reduced engine noise, vibration, and oil flow issues.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eHigh-Performance Design\u003c\/b\u003e: Bi-metal construction with 2.5-3% silicon strengthens the aluminum base, perfect for medium-load engines and nodular cast iron crankshafts, delivering reliable performance under stress.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eTrusted by Professionals\u003c\/b\u003e: King Engine Bearings, established in 1960, is a global leader in bearing technology, trusted in automotive, racing, and industrial applications for quality and innovation.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eWide Compatibility\u003c\/b\u003e: Specifically designed for GM Vortec and LS-Series Gen III engines, ensuring seamless fitment across a broad range of vehicles (see fitment details below).\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eLead-Free Construction\u003c\/b\u003e: Environmentally friendly, lead-free bi-metal material meets modern engine standards while maintaining high durability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eWhat’s Included in the Purchase:\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eMain Bearing Set\u003c\/b\u003e: 5 pairs of main bearings (bi-metal, aluminum silicon base).\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eSize\u003c\/b\u003e: 0.020\" undersize for precise crankshaft fitment.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003ePart Number\u003c\/b\u003e: MB5875SI020\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eUPC\u003c\/b\u003e: 611500626517\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eWarranty\u003c\/b\u003e: Eligible for King’s manufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eFitment Details:\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe King Engine Bearings MB5875SI020 Main Bearing Set is compatible with the following GM Vortec and LS-Series Gen III engines (4.8L, 5.3L, 5.7L, 6.0L):\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eYear, Make, Model, Submodel\u003c\/b\u003e:\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003e2004-2005 Buick Rainier\u003c\/b\u003e: CXL, CXL Plus\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003e1999-2007 Chevrolet Silverado 1500\u003c\/b\u003e: Base, LS, LT, WT (4.8L, 5.3L, 6.0L)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003e1999-2007 Chevrolet Tahoe\u003c\/b\u003e: Base, LS, LT, Z71 (4.8L, 5.3L)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003e2002-2006 Chevrolet Avalanche 1500\u003c\/b\u003e: Base, LS, LT (5.3L)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003e2000-2006 Chevrolet Suburban 1500\u003c\/b\u003e: Base, LS, LT (5.3L)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003e1999-2007 GMC Sierra 1500\u003c\/b\u003e: Base, SLE, SLT, WT (4.8L, 5.3L, 6.0L)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003e2000-2006 GMC Yukon\u003c\/b\u003e: SLE, SLT (4.8L, 5.3L)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003e2000-2006 GMC Yukon XL 1500\u003c\/b\u003e: SLE, SLT (5.3L, 6.0L)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003e2001-2006 Cadillac Escalade\u003c\/b\u003e: Base (5.3L, 6.0L)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003e2002-2006 Cadillac Escalade EXT\u003c\/b\u003e: Base (6.0L)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003e2003-2006 Cadillac Escalade ESV\u003c\/b\u003e: Base (6.0L)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003e1999-2007 Chevrolet Corvette\u003c\/b\u003e: Base (5.7L)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003e1998-2002 Chevrolet Camaro\u003c\/b\u003e: Z28, SS (5.7L)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003e1998-2002 Pontiac Firebird\u003c\/b\u003e: Formula, Trans Am (5.7L)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003e2004 Pontiac GTO\u003c\/b\u003e: Base (5.7L)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eEngine Compatibility\u003c\/b\u003e: GM Vortec and LS-Series Gen III (4.8L, 5.3L, 5.7L, 6.0L), including LS1, LS6, LQ4, LQ9, LM7, L59, LR4, and other Gen III V8 engines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cstrong\u003eNote\u003c\/strong\u003e: Always verify fitment with your specific engine and crankshaft specifications before purchasing.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eSpecifications:\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eMaterial\u003c\/b\u003e: Bi-metal (aluminum silicon base, 2.5-3% silicon).\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eBearing Type\u003c\/b\u003e: OE-replacement, lead-free.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eSize\u003c\/b\u003e: 0.020\" undersize.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eTechnology\u003c\/b\u003e: Bull’s Eye Tolerance™ for precise wall thickness, enhanced oil clearance for reduced wear, and improved crankshaft finish compatibility.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eApplication\u003c\/b\u003e: Medium-load engines, ideal for stock and performance rebuilds with nodular cast iron crankshafts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eWeight and Shipping Dimensions:\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eWeight\u003c\/b\u003e: Approximately 1.2 lbs\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eShipping Box Dimensions\u003c\/b\u003e: Approximately 11.51\" L x 4.29\" W x 2.5\" H\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eManufacturer Information:\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eKing Engine Bearings, founded in 1960, specializes in high-quality engine bearings for automotive, racing, marine, aviation, and industrial applications. Their bi-metal SI-series bearings, like the MB5875SI020, are designed for OE-replacement and performance applications, offering precise fitment and durability.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003ePurchase Benefits:\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eQuality Assurance\u003c\/b\u003e: Each bearing is stamped with size specifications on the steel back, ensuring accurate installation.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eWarranty Support\u003c\/b\u003e: Register your bearings via King’s i-King system to activate and track your warranty.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eTrusted by Racers\u003c\/b\u003e: Proven in high-performance LS builds, including drag racing and motorsport applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cstrong\u003eDisclaimer\u003c\/strong\u003e: Always confirm part fitment with your vehicle’s specifications and consult a professional mechanic for installation.\u003c\/p\u003e","brand":"King Engine Bearings","offers":[{"title":"Default Title","offer_id":43566068727887,"sku":"KINGMB5875SI020","price":145.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/SKU_MB5877SI010_UPC_611500626807.png?v=1756999230","url":"https:\/\/www.blackopsautoworks.com\/products\/king-engine-bearings-gm-vortex-gen-iii-ls-series-main-bearing-set-1","provider":"Black Ops Auto Works","version":"1.0","type":"link"}