{"product_id":"acl-rod-bearings-bmw-n54-n55-s55","title":"ACL Race Series Rod Bearing Set - BMW N54\/N55\/S55B30","description":"\u003cp\u003eUpgrade your rotating assembly with ACL Race Series tri-metal connecting rod bearings, engineered for high-RPM performance and forced-induction reliability. Features hardened steel backs for improved bearing retention, increased crush for better retention, reduced-thickness high-strength overlay plate for improved fatigue properties, and elimination of flash plating for better heat transfer.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e BMW N54B30, N55B30, S55B30 (3.0L Inline-6)\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard\u003c\/strong\u003e — stock, unworn rod journals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard HX\u003c\/strong\u003e — same size as standard, +0.001\" extra clearance, for built engines running higher oil temps\/RPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.025mm Undersize\u003c\/strong\u003e — fine trim, minor rod journal cleanup\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.25mm Undersize\u003c\/strong\u003e — first regrind step\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ Before ordering an undersize set, confirm your connecting rods have been machined to the matching undersize spec — check clearances with Plastigauge before final assembly.\u003c\/p\u003e","brand":"ACL","offers":[{"title":"Standard","offer_id":48848699064545,"sku":"6B1584H-STD","price":170.0,"currency_code":"USD","in_stock":true},{"title":"Standard HX","offer_id":48848699097313,"sku":"6B1584HX-STD","price":170.0,"currency_code":"USD","in_stock":true},{"title":"0.025mm Undersize","offer_id":48848699130081,"sku":"6B1584H-.025","price":170.0,"currency_code":"USD","in_stock":true},{"title":"0.25mm Undersize","offer_id":48848699162849,"sku":"6B1584H-.25","price":170.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/7355\/2353\/files\/6B1584H-STD_grande_495d9697-80e9-48d0-8ef1-9ce5e101dd94.jpg?v=1785805821","url":"https:\/\/europeanengineparts.com\/products\/acl-rod-bearings-bmw-n54-n55-s55","provider":"European Engine Parts","version":"1.0","type":"link"}