{"product_id":"king-hp-series-main-bearings-1958-1978-mopar-big-block-engines-mb-555hp-stdx-xgplkd","title":"King HP-Series Main Bearings | 1958-1978 Mopar Big Block Engines (MB 555HP STDX)","description":"\u003cdiv id=\"newdescr\"\u003e\n\u003cdiv id=\"newdescrRC\"\u003e\n\u003ch2\u003e1958-1978 Mopar Big Block Engines HP-Series Main Bearings by King\u003c\/h2\u003e\n\u003cp align=\"justify\"\u003eKing HP-Series main bearings are recommended for street and strip performance applications. They're designed for blown, turbocharged, NOS, and alcohol-fueled engines using aftermarket crankshafts. These main bearings have greater eccentricity for superior oiling at high rpm, and a chamfered surface for large radii crankshafts. HP-Series bearings also feature large, chamfered oil holes—and are available in 1\/2 grooving for improved oiling to withstand high-rpm applications. Order the bearings designed for fitment with your specific engine.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine Crankshaft Undersize (in.): Stock\u003c\/li\u003e\n\u003cli\u003eEngine Crankshaft Undersize (mm): Stock\u003c\/li\u003e\n\u003cli\u003eGrooved Bearing: Yes\u003c\/li\u003e\n\u003cli\u003eGroove Location: Upper\u003c\/li\u003e\n\u003cli\u003eGroove Style: 1\/2\u003c\/li\u003e\n\u003cli\u003eThrust Bearing Oversize: Stock\u003c\/li\u003e\n\u003cli\u003eBearing Material: Bi-metal, silicon aluminum\u003c\/li\u003e\n\u003cli\u003eQuantity: Sold as a set of 5.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"newdescrLC\"\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1958-1978 Mopar Big Block Engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's In The Box?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e5 - Main Bearings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWarranty\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKing Engine Bearings' Standard Limited Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"clear\"\u003e\u003c\/div\u003e","brand":"King Engine Bearings","offers":[{"title":"Default Title","offer_id":53103363719488,"sku":"KIN MB 555HP STDX","price":33.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/1137\/7984\/files\/x7pydsu7r7q0_d7e66737-c621-48d4-80c8-d7eda66e01a8.jpg?v=1788539414","url":"https:\/\/maperformances.com\/products\/king-hp-series-main-bearings-1958-1978-mopar-big-block-engines-mb-555hp-stdx-xgplkd","provider":"Maperformance","version":"1.0","type":"link"}