{"product_id":"king-oe-replacement-main-bearings-set-std-na-nb-miata-90-05","title":"King OE-Replacement Main Bearings Set STD - NA\/NB Miata (90-05)","description":"\u003cp data-start=\"354\" data-end=\"664\"\u003eRebuild your Mazda or Kia engine with confidence using the \u003cstrong data-start=\"413\" data-end=\"463\"\u003eKing MB5304AM Main Bearing Set (Standard Size)\u003c\/strong\u003e. Designed for \u003cstrong data-start=\"478\" data-end=\"550\"\u003eMazda and Kia DOHC 16-valve, SOHC 16-valve, and SOHC 8-valve engines\u003c\/strong\u003e, these main bearings deliver the OEM-level fitment and durability enthusiasts and professional builders demand.\u003c\/p\u003e\n\u003cp data-start=\"666\" data-end=\"1165\"\u003eKing Engine Bearings are known worldwide for their \u003cstrong data-start=\"717\" data-end=\"793\"\u003eprecision engineering, advanced metallurgy, and long-lasting reliability\u003c\/strong\u003e. This standard-size main bearing set is manufactured to exact factory tolerances, ensuring proper crankshaft support, consistent oil clearance, and smooth engine operation. Whether you’re maintaining a stock rebuild, freshening up a high-mileage engine, or preparing a Miata for weekend track duty, King bearings provide the strength and confidence your build requires.\u003c\/p\u003e\n\u003cp data-start=\"1167\" data-end=\"1502\"\u003eConstructed from high-quality bearing alloys, the \u003cstrong data-start=\"1217\" data-end=\"1233\"\u003eMB5304AM set\u003c\/strong\u003e balances strength, fatigue resistance, and conformability—protecting your crankshaft from wear while withstanding high loads and RPM. With their proven reliability, King bearings are trusted by both performance enthusiasts and professional engine builders worldwide.\u003c\/p\u003e\n\u003cp data-start=\"1504\" data-end=\"1523\"\u003e\u003cstrong data-start=\"1504\" data-end=\"1521\"\u003eKey Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1524\" data-end=\"1835\"\u003e\n\u003cli data-start=\"1524\" data-end=\"1578\"\u003e\n\u003cp data-start=\"1526\" data-end=\"1578\"\u003eFits Kia\/Mazda DOHC 16V, SOHC 16V, SOHC 8V engines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1579\" data-end=\"1636\"\u003e\n\u003cp data-start=\"1581\" data-end=\"1636\"\u003eStandard size for direct OEM replacement applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1637\" data-end=\"1703\"\u003e\n\u003cp data-start=\"1639\" data-end=\"1703\"\u003eManufactured to strict tolerances for consistent oil clearance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1704\" data-end=\"1768\"\u003e\n\u003cp data-start=\"1706\" data-end=\"1768\"\u003eStrong, durable alloy construction for long-term performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1769\" data-end=\"1835\"\u003e\n\u003cp data-start=\"1771\" data-end=\"1835\"\u003eTrusted King Bearings quality for stock and performance builds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1837\" data-end=\"1974\"\u003eUpgrade your rebuild with the \u003cstrong data-start=\"1867\" data-end=\"1901\"\u003eKing MB5304AM Main Bearing Set\u003c\/strong\u003e—the perfect combination of OEM precision and King’s proven durability.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eThis Part Fits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth align=\"left\" width=\"100\"\u003eYear\u003c\/th\u003e\n\u003cth align=\"left\" width=\"125\"\u003eMake\u003c\/th\u003e\n\u003cth align=\"left\" width=\"150\"\u003eModel\u003c\/th\u003e\n\u003cth align=\"left\" width=\"80\"\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1999\u003c\/td\u003e\n\u003ctd\u003eMazda\u003c\/td\u003e\n\u003ctd\u003eMiata\u003c\/td\u003e\n\u003ctd\u003e10th Anniversary\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1994-1997,1999-2005\u003c\/td\u003e\n\u003ctd\u003eMazda\u003c\/td\u003e\n\u003ctd\u003eMiata\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2000-2005\u003c\/td\u003e\n\u003ctd\u003eMazda\u003c\/td\u003e\n\u003ctd\u003eMiata\u003c\/td\u003e\n\u003ctd\u003eLS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1994-1997\u003c\/td\u003e\n\u003ctd\u003eMazda\u003c\/td\u003e\n\u003ctd\u003eMiata\u003c\/td\u003e\n\u003ctd\u003eM Edition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2005\u003c\/td\u003e\n\u003ctd\u003eMazda\u003c\/td\u003e\n\u003ctd\u003eMiata\u003c\/td\u003e\n\u003ctd\u003eMazdaspeed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2000-2003\u003c\/td\u003e\n\u003ctd\u003eMazda\u003c\/td\u003e\n\u003ctd\u003eMiata\u003c\/td\u003e\n\u003ctd\u003eSE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2003\u003c\/td\u003e\n\u003ctd\u003eMazda\u003c\/td\u003e\n\u003ctd\u003eMiata\u003c\/td\u003e\n\u003ctd\u003eShinsen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1997\u003c\/td\u003e\n\u003ctd\u003eMazda\u003c\/td\u003e\n\u003ctd\u003eMiata\u003c\/td\u003e\n\u003ctd\u003eSTO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"King Engine Bearings","offers":[{"title":"Default Title","offer_id":46416075358433,"sku":"KINGMB5304AM","price":47.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0620\/6849\/0465\/files\/94-05-mazda-miata-main-bearing-set-std-king-mb5304amking-engine-bearingskingmb5304am-5367332.jpg?v=1760737905","url":"https:\/\/www.garage-56.com\/products\/king-oe-replacement-main-bearings-set-std-na-nb-miata-90-05","provider":"Garage 56 Engineering ","version":"1.0","type":"link"}