{"product_id":"acl-race-series-bearings-bmw-s55-2979cc-inline6-dohc-4v-turbo-conrod-bearing-std-025-25-50-6b1584h-copy","title":"ACL Race Series Bearings BMW S55 2979cc Inline6 DOHC 4v Turbo  CONROD BEARING - STD, .025, .25, .50 6B1584H","description":"\u003cp data-v-f72985ac=\"\" data-mce-fragment=\"1\"\u003e\u003cstrong\u003eABOUT ACL\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eFor over 70 years precision engine bearings have been manufactured in Launceston, Tasmania, Australia.\u003c\/p\u003e\n\u003cp data-v-f72985ac=\"\" data-mce-fragment=\"1\"\u003eDuring this time ACL has been a major OEM supplier to the Australian \u0026amp; International automotive industry, whilst providing an extensive replacement product range for the global aftermarket.\u003c\/p\u003e\n\u003cp data-v-f72985ac=\"\" data-mce-fragment=\"1\"\u003eToday ACL produces one of the largest aftermarket range of engine bearings and has a global reputation for robust metallurgy, quality, precision, innovation and performance.\u003c\/p\u003e\n\u003cp data-v-f72985ac=\"\" data-mce-fragment=\"1\"\u003eACL has a long and rich history in motorsport –\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-v-f72985ac=\"\" class=\"strong\" data-mce-fragment=\"1\"\u003eit is in our DNA\u003c\/span\u003e. The ACL RACE Series Performance Engine Bearings of today has a strong pedigree in motor racing that traces its roots back to the 1960’s with the manufacture of engine bearings for use in the world conquering Brabham Formula 1.\u003c\/p\u003e\n\u003cp data-v-f72985ac=\"\" data-mce-fragment=\"1\"\u003eFurther experience in the Australian Supercars Championship, drag racing, speedway, drifting \u0026amp; rally with its range of RACE Series Performance Engine Bearings being the first choice for discerning engine builders the world over.\u003c\/p\u003e\n\u003cp data-v-f72985ac=\"\" data-mce-fragment=\"1\"\u003eThe ACL RACE Series Performance Engine Bearing offering covers over 200 varied engine applications covering a wide range of performance engine bearings for Australian, American, Japanese, Korean \u0026amp; European applications. The range continues to expand to cover new engine releases.\u003c\/p\u003e\n\u003cp data-v-f72985ac=\"\" data-mce-fragment=\"1\"\u003eThe company has a high degree of vertical integration encompassing: tooling \u0026amp; product design, bearing strip manufacture, tooling \u0026amp; machine manufacture as well as the complex manufacturing processes \u0026amp; systems required to produce the final product.\u003c\/p\u003e\n\u003cp data-v-f72985ac=\"\" data-mce-fragment=\"1\"\u003eACL's Business Management Systems hold the internationally recognized ISO9001: 2015 Quality Management System, ISO14001: 2015 Environmental Management System \u0026amp; ISO451001: 2018 Occupational Health \u0026amp; Safety Management System certification.\u003c\/p\u003e\n\u003cp data-v-f72985ac=\"\" data-mce-fragment=\"1\"\u003eDescription: BMW S55 B30\u003c\/p\u003e\n\u003cp data-v-564b45cc=\"\"\u003eCapacity: 3999 CC\u003c\/p\u003e\n\u003cp data-v-564b45cc=\"\"\u003eCylinders: 8\u003c\/p\u003e\n\u003cp data-v-564b45cc=\"\"\u003eBore Size: 3,622 in \/ 92 mm\u003c\/p\u003e\n\u003cp data-v-564b45cc=\"\"\u003eStroke: 2,9606 in \/ 75,2 mm\u003c\/p\u003e\n\u003cp data-v-564b45cc=\"\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-v-b029e012=\"\"\u003e\n\u003cli data-v-b029e012=\"\"\u003e\n\u003cspan class=\"span\" data-v-b029e012=\"\"\u003eHIGH STRENGTH OVERLAY PLATE\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003ewith reduced thickness for improved fatigue properties\u003c\/li\u003e\n\u003cli data-v-b029e012=\"\"\u003e\n\u003cspan class=\"span\" data-v-b029e012=\"\"\u003eHARDENED STEEL BACKS\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eon all rod bearings to improve the support of the bearing lining and assist with bearing retention in the housing.\u003c\/li\u003e\n\u003cli data-v-b029e012=\"\"\u003e\n\u003cspan class=\"span\" data-v-b029e012=\"\"\u003eINCREASED CRUSH\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003efor improved bearing retention\u003c\/li\u003e\n\u003cli data-v-b029e012=\"\"\u003e\n\u003cspan class=\"span\" data-v-b029e012=\"\"\u003eELIMINATION OF FLASH PLATING\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eon the back of the bearings to improve heat transfer through the bearings and to maximize the grip between the bearings and its housing.\u003c\/li\u003e\n\u003cli data-v-b029e012=\"\"\u003e\n\u003cspan class=\"span\" data-v-b029e012=\"\"\u003eINCREASED ECCENTRICITY\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eto compensate for bore distortion at high rpm and to assist in the formation of hydrodynamic oil films.\u003c\/li\u003e\n\u003cli data-v-b029e012=\"\"\u003e\n\u003cspan class=\"span\" data-v-b029e012=\"\"\u003e3\/4 GROOVED MAIN BEARINGS\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eto optimize bearing load carrying surface area and oil flow to the conrod bearings.\u003c\/li\u003e\n\u003cli data-v-b029e012=\"\"\u003e\n\u003cspan class=\"span\" data-v-b029e012=\"\"\u003eTIGHT CONSISTENT WALL TOLERANCES\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eto help you maintain consistent clearances.\u003c\/li\u003e\n\u003cli data-v-b029e012=\"\"\u003e\n\u003cspan class=\"span\" data-v-b029e012=\"\"\u003eENLARGED ID CHAMFERS\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eon bearing edges where required to accommodate large fillet radius on performance crankshafts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection class=\"header-wrapper hidden-sm-and-down\" data-v-13547cd0=\"\" data-v-4d371462=\"\"\u003e\n\u003cdiv class=\"header-content-wrapper\" data-v-4d371462=\"\"\u003e\u003cspan\u003eMAIN BEARING - STD, .025, .25, .50\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/section\u003e\n\u003cdiv class=\"features-wrapper hidden-sm-and-down\" data-v-13547cd0=\"\" data-v-13e88ea5=\"\"\u003e\n\u003cdiv class=\"features-content-wrapper\" data-v-13e88ea5=\"\"\u003e\n\u003cul data-v-13e88ea5=\"\"\u003e\n\u003cli data-v-13e88ea5=\"\"\u003eHigh performance Tri metal engine bearings\u003c\/li\u003e\n\u003cli data-v-13e88ea5=\"\"\u003eDesigned to withstand higher RPM conditions\u003c\/li\u003e\n\u003cli data-v-13e88ea5=\"\"\u003eHigh strength overlay plate with reduced thickness for improved fatigue properties\u003cbr\u003e\u003cbr\u003e\n\u003cdiv data-v-1fecd110=\"\" class=\"header\" data-mce-fragment=\"1\"\u003e\n\u003cdiv data-v-1fecd110=\"\" data-mce-fragment=\"1\"\u003eSpecifications for STD size only\u003c\/div\u003e\n\u003cdiv data-v-1fecd110=\"\" class=\"triangle\" data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ctable data-v-1fecd110=\"\" class=\"table\" data-mce-fragment=\"1\"\u003e\n\u003ctbody data-v-1fecd110=\"\" data-mce-fragment=\"1\"\u003e\n\u003ctr data-v-1fecd110=\"\" data-mce-fragment=\"1\"\u003e\n\u003ctd data-v-1fecd110=\"\" data-mce-fragment=\"1\"\u003eSizes\u003c\/td\u003e\n\u003ctd data-v-1fecd110=\"\" data-mce-fragment=\"1\"\u003eSTD, .025, .25, .50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-v-1fecd110=\"\" data-mce-fragment=\"1\"\u003e\n\u003ctd data-v-1fecd110=\"\" data-mce-fragment=\"1\"\u003eOil Clearance\u003c\/td\u003e\n\u003ctd data-v-1fecd110=\"\" data-mce-fragment=\"1\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-v-1fecd110=\"\" data-mce-fragment=\"1\"\u003e\n\u003ctd data-v-1fecd110=\"\" data-mce-fragment=\"1\"\u003eHalf Type\u003c\/td\u003e\n\u003ctd data-v-1fecd110=\"\" data-mce-fragment=\"1\"\u003eUpper \u0026amp; lower\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-v-1fecd110=\"\" data-mce-fragment=\"1\"\u003e\n\u003ctd data-v-1fecd110=\"\" data-mce-fragment=\"1\"\u003eMaterial\u003c\/td\u003e\n\u003ctd data-v-1fecd110=\"\" data-mce-fragment=\"1\"\u003eF780\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-v-1fecd110=\"\" data-mce-fragment=\"1\"\u003e\n\u003ctd data-v-1fecd110=\"\" data-mce-fragment=\"1\"\u003eMin. Std Shaft Size\u003c\/td\u003e\n\u003ctd data-v-1fecd110=\"\" data-mce-fragment=\"1\"\u003e59,971 mm \/ 2.3611 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-v-1fecd110=\"\" data-mce-fragment=\"1\"\u003e\n\u003ctd data-v-1fecd110=\"\" data-mce-fragment=\"1\"\u003eMax. Std Shaft Size\u003c\/td\u003e\n\u003ctd data-v-1fecd110=\"\" data-mce-fragment=\"1\"\u003e59,99 mm \/ 2.3618 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-v-1fecd110=\"\" data-mce-fragment=\"1\"\u003e\n\u003ctd data-v-1fecd110=\"\" data-mce-fragment=\"1\"\u003eMin. Std Tunnel Size\u003c\/td\u003e\n\u003ctd data-v-1fecd110=\"\" data-mce-fragment=\"1\"\u003e65 mm \/ 2.5591 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-v-1fecd110=\"\" data-mce-fragment=\"1\"\u003e\n\u003ctd data-v-1fecd110=\"\" data-mce-fragment=\"1\"\u003eMax. Std Tunnel Size\u003c\/td\u003e\n\u003ctd data-v-1fecd110=\"\" data-mce-fragment=\"1\"\u003e65,019 mm \/ 2.5598 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-v-1fecd110=\"\" data-mce-fragment=\"1\"\u003e\n\u003ctd data-v-1fecd110=\"\" data-mce-fragment=\"1\"\u003eMax Wall at Crown\u003c\/td\u003e\n\u003ctd data-v-1fecd110=\"\" data-mce-fragment=\"1\"\u003e2,5 mm \/ 0.0984 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-v-1fecd110=\"\" data-mce-fragment=\"1\"\u003e\n\u003ctd data-v-1fecd110=\"\" data-mce-fragment=\"1\"\u003eMax Overall Length\u003c\/td\u003e\n\u003ctd data-v-1fecd110=\"\" data-mce-fragment=\"1\"\u003e\n\u003cdiv data-v-9e7372b4=\"\" data-v-1fecd110=\"\" data-mce-fragment=\"1\"\u003e\n\u003cdiv data-v-9e7372b4=\"\" data-mce-fragment=\"1\"\u003e21,9 mm \/ 0.8622 in\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-v-9e7372b4=\"\" data-mce-fragment=\"1\"\u003e(1581H)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv data-v-9e7372b4=\"\" data-mce-fragment=\"1\"\u003e27,95 mm \/ 1.1004 in\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-v-9e7372b4=\"\" data-mce-fragment=\"1\"\u003e(1582H(F))\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"ACL","offers":[{"title":"0.025","offer_id":51685977063706,"sku":null,"price":389.0,"currency_code":"AUD","in_stock":true},{"title":"0.25","offer_id":51685977096474,"sku":null,"price":389.0,"currency_code":"AUD","in_stock":true},{"title":"0.50","offer_id":51685977129242,"sku":null,"price":389.0,"currency_code":"AUD","in_stock":true},{"title":"STD","offer_id":51685977162010,"sku":null,"price":389.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/8561\/1290\/files\/part_c5e5f985-b2d5-4981-9e2d-a2872b50e057.png?v=1701927449","url":"https:\/\/www.bmperformancecentre.com.au\/products\/acl-race-series-bearings-bmw-s55-2979cc-inline6-dohc-4v-turbo-conrod-bearing-std-025-25-50-6b1584h-copy","provider":"BM Performance Centre online store","version":"1.0","type":"link"}