{"product_id":"acl-6b2484h-porsche-991-turbo-3-8l-connecting-rod-bearing-set","title":"ACL Porsche 991 3.8L Turbo Connecting Rod Bearing Set","description":"\u003ch4\u003ePrecision Bearings Built for the 991 Turbo Flat Six\u003c\/h4\u003e\n\u003cp\u003eThe ACL 6B2484H connecting rod bearing set is engineered specifically for the MA1.71 3.8L twin turbo flat six found in the Porsche 991 Turbo and Turbo S. Built with ACL's high performance alloy formulation, this set restores or upgrades rod bearing clearance and durability for engines running stock or elevated boost levels.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDirect fit connecting rod bearing set for the Porsche 991 Turbo MA1.71 3.8L flat six\u003c\/li\u003e\n\u003cli\u003eAdvanced tri-metal bearing construction for high load performance applications\u003c\/li\u003e\n\u003cli\u003eImproved crush and conformability compared to typical OEM replacement bearings\u003c\/li\u003e\n\u003cli\u003ePrecision manufactured to tight tolerances for consistent oil clearance\u003c\/li\u003e\n\u003cli\u003eAvailable in standard and oversize configurations for engine builders\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eYear Range\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eTrim\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2013-2016\u003c\/td\u003e\n\u003ctd\u003ePorsche\u003c\/td\u003e\n\u003ctd\u003e911\u003c\/td\u003e\n\u003ctd\u003eTurbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2013-2016\u003c\/td\u003e\n\u003ctd\u003ePorsche\u003c\/td\u003e\n\u003ctd\u003e911\u003c\/td\u003e\n\u003ctd\u003eTurbo S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eACL Part Number\u003c\/td\u003e\n\u003ctd\u003e6B2484H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBearing Type\u003c\/td\u003e\n\u003ctd\u003eConnecting Rod Bearing Set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine Code\u003c\/td\u003e\n\u003ctd\u003eMA1.71 3.8L Twin Turbo Flat Six\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003eNot assigned by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eManufacturer limited warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eComplete set of ACL 6B2484H connecting rod bearings\u003c\/li\u003e\n\u003cli\u003eInstallation reference sheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eAbout ACL\u003c\/h4\u003e\n\u003cp\u003eACL has manufactured performance engine bearings for decades, supplying builders and racers with bearings engineered to handle the loads of forced induction and high RPM applications. Their tri-metal and race series bearing lines are trusted across import and European performance platforms for consistent clearance and long service life.\u003c\/p\u003e\n\u003ch4\u003eRelated Parts on Our Site\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/acl\" target=\"_blank\" rel=\"noopener\"\u003eShop More ACL Performance Bearings\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFAQ\u003c\/h4\u003e\n\u003cstrong\u003eWhat is the ACL 6B2484H?\u003c\/strong\u003e\u003cp\u003eThe ACL 6B2484H is a connecting rod bearing set engineered specifically for the Porsche 991 Turbo and Turbo S MA1.71 3.8L twin turbo flat six engine.\u003c\/p\u003e\n\u003cstrong\u003eWhich Porsche models use this bearing set?\u003c\/strong\u003e\u003cp\u003eThis bearing set fits the 2013-2016 Porsche 911 Turbo and 2013-2016 Porsche 911 Turbo S, both equipped with the MA1.71 engine.\u003c\/p\u003e\n\u003cstrong\u003eIs this bearing set suitable for stock power levels or only built engines?\u003c\/strong\u003e\u003cp\u003eIt is suitable for both. Many owners install it during routine engine service at stock power, while others use it as part of a built engine for elevated boost applications.\u003c\/p\u003e\n\u003cstrong\u003eDoes this bearing set include main bearings?\u003c\/strong\u003e\u003cp\u003eNo. This is a connecting rod bearing set only. Main bearings are sold separately.\u003c\/p\u003e\n\u003cstrong\u003eWhat bearing material does ACL use for this set?\u003c\/strong\u003e\u003cp\u003eACL uses a tri-metal alloy construction designed for improved load capacity and conformability compared to typical OEM bearings.\u003c\/p\u003e\n\u003cstrong\u003eAre oversize options available for this part number?\u003c\/strong\u003e\u003cp\u003eACL offers this bearing in standard and oversize configurations to support engines that have been machined during a rebuild.\u003c\/p\u003e\n\u003cstrong\u003eDo I need any special tools to install this bearing set?\u003c\/strong\u003e\u003cp\u003eStandard engine building tools including a torque wrench, plastigauge, and proper engine stand or lift access are recommended for correct installation.\u003c\/p\u003e\n\u003cstrong\u003eWhy upgrade to aftermarket rod bearings on a 991 Turbo?\u003c\/strong\u003e\u003cp\u003eAftermarket bearings like the ACL 6B2484H are commonly chosen during engine rebuilds or power upgrades to ensure consistent clearance and reliability compared to reused factory bearings.\u003c\/p\u003e\n\u003ch4\u003eInstall Instructions\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003eRemove the engine and disassemble the short block per factory service procedures\u003c\/li\u003e\n\u003cli\u003eInspect crankshaft rod journals for wear, scoring, or out of round condition\u003c\/li\u003e\n\u003cli\u003eMeasure bearing clearance using plastigauge before final assembly\u003c\/li\u003e\n\u003cli\u003eInstall the ACL 6B2484H bearing halves into the connecting rods and rod caps\u003c\/li\u003e\n\u003cli\u003eTorque connecting rod fasteners to factory specification in the proper sequence\u003c\/li\u003e\n\u003cli\u003eReassemble the engine and verify oil pressure before extended operation\u003c\/li\u003e\n\u003c\/ol\u003e\n","brand":"ACL","offers":[{"title":"Default Title","offer_id":46181486854223,"sku":"ACL6B2484H","price":169.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/acl-6b2484h-porsche-991-turbo-connecting-rod-bearing-set.png?v=1784924387","url":"https:\/\/www.blackopsautoworks.com\/products\/acl-6b2484h-porsche-991-turbo-3-8l-connecting-rod-bearing-set","provider":"Black Ops Auto Works","version":"1.0","type":"link"}