{"product_id":"engine-bearings-racing-main-bearings","title":"Engine Bearings Racing Main Bearings","description":"The King Engine Bearings MB4058XP is part of the XP Tri-Metal Racing Series, developed to meet the extreme performance demands of modern race engines. This series is ideal for high-load, long-duration racing applications such as circle track, off-road, and off-shore racing, particularly those utilizing forged steel aftermarket crankshafts.\n\nThese performance main bearings feature an advanced tri-metal construction with pMax Black technology, a proprietary material that is 24% harder than conventional tri-metal race bearings. The construction includes a copper-lead composition with a nickel barrier and SecureBond adhesion, ensuring superior stability between the top and intermediate layers. A 0.0005\" metallurgically enhanced and hardened performance overlay is integrated to withstand greater loads and resist surface fatigue.\n\nKey features of the MB4058XP bearings include a 15% - 30% increase in load capacity over traditional bearings. The main shells are designed with a 1\/2 groove to maintain uncompromised lower shell load capacity.","brand":"King","offers":[{"title":"Default Title","offer_id":52686461796664,"sku":"MB4058XP","price":72.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/687879043.jpg?v=1784874080","url":"https:\/\/store.motormia.co\/products\/engine-bearings-racing-main-bearings","provider":"MOTORMIA","version":"1.0","type":"link"}