{"product_id":"borg-warner-efr-b2-8474-cast-iron-b-hsg-turbo-super-core-assembly-12747100021","title":"Borg Warner EFR B2 8474 Cast Iron B. Hsg Turbo Super Core Assembly 12747100019","description":"\u003cdiv id=\"inkfrog_crosspromo_top\"\u003e\u003c\/div\u003e\n\u003clink href=\"\/\/open.inkfrog.com\/templates\/designer\/styles\/user\/164915.css\" rel=\"stylesheet\" type=\"text\/css\"\u003e\u003cdiv class=\"flex max-w-full flex-col flex-grow\"\u003e\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"fac634af-1fc0-43c8-8376-ab18875d5108\" dir=\"auto\" class=\"min-h-8 text-message flex w-full flex-col items-end gap-2 whitespace-normal break-words text-start [.text-message+\u0026amp;]:mt-5\" data-message-model-slug=\"gpt-4o\"\u003e\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[3px]\"\u003e\u003cdiv class=\"markdown prose w-full break-words dark:prose-invert light\"\u003e\n\u003cp style=\"text-align: center; \"\u003e\u003cb\u003e\u003cfont size=\"5\"\u003eIn Stock \u0026amp; Ready to Ship!\u003c\/font\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center; \"\u003eUp for sale is a BorgWarner EFR B2 8474 Turbo Super Core Assembly with Cast Iron Bearing Housing\u003c\/p\u003e\n\u003cp style=\"text-align: center; \"\u003ewhich includes the Super Core \u0026amp; Compressor Cover\u003c\/p\u003e\n\u003cp style=\"text-align: center; \"\u003e\u003cb\u003e\u003cu\u003eSpecifications:\u003c\/u\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center; \"\u003eCompressor Type: Forged-Milled Wheel (FMW) Extended Tip\u003c\/p\u003e\n\u003cp style=\"text-align: center; \"\u003eCompressor Wheel OD (Exducer): 84mm\u003c\/p\u003e\n\u003cp style=\"text-align: center; \"\u003eCompressor Wheel Inducer: 68mm\u003c\/p\u003e\n\u003cp style=\"text-align: center; \"\u003eMax Flow Rate: 95 lb\/min\u003c\/p\u003e\n\u003cp style=\"text-align: center; \"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eWe can include the Turbine Housing of your choice at an additional cost, just message us after you have placed the order.\u003c\/p\u003e\n\u003cp style=\"text-align: center; \"\u003e\u003cu\u003eThe EFR 8474 is Available in (4) Different Turbine Housing Configurations:\u003c\/u\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center; \"\u003e0.83 A\/R T3 Undivided (Internal WG) #12741008000\u003c\/p\u003e\n\u003cp style=\"text-align: center; \"\u003e0.92 A\/R T4 Twin Scroll (Internal WG) #12741008001\u003c\/p\u003e\n\u003cp style=\"text-align: center; \"\u003e1.05 A\/R T4 Twin Scroll (External WG) #12741019002\u003c\/p\u003e\n\u003cp style=\"text-align: center; \"\u003e1.45 A\/R T4 Twin Scroll (External WG) #12741008003\u003c\/p\u003e\n\u003cp style=\"text-align: center; \"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center; \"\u003e\u003ci\u003ePlease review BorgWarner's turbo systems warranty, they offer a 12 month limited warranty.\u003c\/i\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cp\u003e\u003cb\u003e\u003cfont size=\"4\"\u003eB2 EFR Turbo\u003c\/font\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe \"B2\" housing in the BorgWarner EFR turbocharger lineup is specifically engineered for larger turbine wheels and high-power applications, distinguishing it from smaller housings such as the \"A\" series. Its increased size allows for greater airflow and higher power potential, making it ideal for demanding, high-horsepower setups.\u003c\/p\u003e\n\u003cp\u003eDesigned to accommodate larger engines and higher boost requirements, the EFR B2 series turbos are optimized for applications where maximizing performance and airflow is critical. For those seeking a turbocharger capable of supporting a high-power engine, the EFR B2 housing offers the capacity and efficiency necessary for superior results.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003e\u003cstrong\u003eBorgWarner EFR 8474 Turbocharger Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe EFR 8474 from BorgWarner Turbo Systems represents a pinnacle in high-performance, race-focused turbocharger technology. Engineered for applications requiring 500–800+ horsepower, it delivers exceptional response, a broad powerband, and unmatched reliability. With a proven track record, including consecutive victories in the Pike's Peak Unlimited class, the EFR 8474 is a premier choice for competitive motorsport and high-performance street builds.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eInnovative Design for Peak Performance\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe EFR 8474 features an 84mm compressor wheel with lower inertia than its 83mm predecessor, ensuring rapid spool times and impressive top-end airflow. The extended-tip compressor wheel design and optimized efficiency plateaus allow for higher pressure ratios and increased performance throughout the powerband. Combined with the lightweight 74mm Gamma-Ti (titanium aluminide) turbine wheel, this turbo achieves a 22% increase in airflow compared to its predecessor, with a maximum flow rate of 95 lb\/min at 127,000 RPM shaft speed.\u003c\/p\u003e\n\u003cp\u003eTo further enhance its adaptability, the EFR 8474 is available in four turbine housing configurations to suit a variety of applications:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.83 A\/R T3 Undivided (Internal WG)\u003c\/strong\u003e (#12741008000)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.92 A\/R T4 Twin Scroll (Internal WG)\u003c\/strong\u003e (#12741008001)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.05 A\/R T4 Twin Scroll (External WG)\u003c\/strong\u003e (#12741019002)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.45 A\/R T4 Twin Scroll (External WG)\u003c\/strong\u003e (#12741008003)\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch4\u003e\u003cstrong\u003eNotable Features\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe EFR 8474 incorporates advanced technologies and features to maximize performance and durability:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGamma-Ti Turbine Wheel\u003c\/strong\u003e: Lightweight and low inertia for quick spool and durability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Compressor Recirculation Valve (CRV)\u003c\/strong\u003e: Built-in for efficient operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Ceramic Ball Bearing Assembly\u003c\/strong\u003e: With a metal cage for reduced friction and extreme durability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoost Control Solenoid Valve (BCSV)\u003c\/strong\u003e: Integrated for precise boost control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack Anodized Forged Milled Compressor Wheel (FMW)\u003c\/strong\u003e: Enhanced blade geometry for improved efficiency and visual differentiation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Tip Technology\u003c\/strong\u003e: Optimized for high airflow and performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompressor Cover with Speed Sensor Mounting Provisions\u003c\/strong\u003e: Allows easy integration of speed sensors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eCompressor and Turbine Specifications\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCompressor Specifications\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Forged-Milled Wheel (FMW) with Extended Tip Technology\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWheel OD (Exducer)\u003c\/strong\u003e: 84mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWheel Inducer\u003c\/strong\u003e: 68mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Flow Rate\u003c\/strong\u003e: 95 lb\/min\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet\u003c\/strong\u003e: 4″ Ported Shroud Hose Coupler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutlet\u003c\/strong\u003e: 2.5″ Hose Coupler with optional V-Band\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eTurbine Specifications\u003c\/strong\u003e:\u003c\/p\u003e\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Gamma-Ti Low Inertia Wheel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWheel OD\u003c\/strong\u003e: 74mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHousing Material\u003c\/strong\u003e: Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutlet\u003c\/strong\u003e: GT V-Band (~92mm OD)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch4\u003e\u003cstrong\u003eProven Track Record\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eRecognized worldwide for class-leading performance, the EFR series turbochargers have powered race cars in the Verizon IndyCar Series since 2012, amassing over 1.25 million trouble-free miles. BorgWarner is the Official Turbocharger Partner of the series, demonstrating the reliability and performance of the EFR product line.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eApplications and Compatibility\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe EFR 8474 is compatible with single-turbo applications for engines ranging from 2L to 6L, as well as twin-turbo configurations for V6 and V8 engines. It delivers unparalleled performance for those seeking to maximize horsepower and response in both street and race environments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\n\u003cdiv id=\"inkfrog_crosspromo_bottom\"\u003e\u003c\/div\u003e\n\u003cimg src=\"https:\/\/hit.inkfrog.com\/t\/hit.gif\" style=\"max-width:100%\"\u003e","brand":"BorgWarner","offers":[{"title":"Default Title","offer_id":54006392226108,"sku":"EB-306026371792","price":2359.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/8263\/5324\/files\/57_dfb8e833-5ef4-445f-aa6f-10f8a64ef83c.jpg?v=1787244930","url":"https:\/\/gcmotorsports.net\/products\/borg-warner-efr-b2-8474-cast-iron-b-hsg-turbo-super-core-assembly-12747100021","provider":"GC Motorsports ","version":"1.0","type":"link"}