{"product_id":"turbosource-efr-iwg-74mm-1-0-turbine-housing","title":"TurboSource EFR IWG 74mm Turbine Housing – 1.0 A\/R","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong\u003eTurboSource EFR IWG 74mm Turbine Housing\u003c\/strong\u003e is a performance upgrade for compatible BorgWarner EFR turbochargers, designed to improve turbine flow and high-RPM performance while retaining the simplicity and response advantages of an internal wastegate setup.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eInvestment cast from \u003cstrong\u003e310 stainless steel\u003c\/strong\u003e, the housing features a larger \u003cstrong\u003e1.0 A\/R\u003c\/strong\u003e, enlarged wastegate runners for improved boost control and a 3-inch V-band turbine outlet. TurboSource reports only a small response penalty compared with the BorgWarner .92 housing while providing measurable torque and power gains once at full boost. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCONSTRUCTION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInvestment cast \u003cstrong\u003e310 stainless steel\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e74mm EFR turbine wheel fitment\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e1.0 A\/R\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eInternal Wastegate (IWG) configuration\u003c\/li\u003e\n\u003cli\u003eDesigned for high-temperature performance applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTURBINE OUTLET\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e3-inch V-band discharge\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eSlip-fit design\u003c\/li\u003e\n\u003cli\u003eAllows use of interlocking downpipe flanges if desired\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBOOST CONTROL\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEnlarged wastegate runners\u003c\/li\u003e\n\u003cli\u003eDesigned to significantly improve wastegate flow and boost control\u003c\/li\u003e\n\u003cli\u003eOptional additional wastegate porting available from TurboSource\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePERFORMANCE\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLarger 1.0 A\/R designed to increase maximum power capability\u003c\/li\u003e\n\u003cli\u003eTurboSource back-to-back testing on a 13B EFR 8374 application showed approximately \u003cstrong\u003e75 rpm slower response\u003c\/strong\u003e compared with the BorgWarner .92 housing\u003c\/li\u003e\n\u003cli\u003eTesting also showed gains of \u003cstrong\u003e25+ rwtq\u003c\/strong\u003e after full boost and \u003cstrong\u003e25+ rwhp\u003c\/strong\u003e on the test vehicle \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility \/ Fitment\u003c\/h3\u003e\n\u003cp\u003eCompatible with the 74mm turbine-wheel EFR supercores:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBorgWarner EFR 8374\u003c\/li\u003e\n\u003cli\u003eBorgWarner EFR 8474\u003c\/li\u003e\n\u003cli\u003eBorgWarner EFR 9174\u003c\/li\u003e\n\u003cli\u003eBorgWarner EFR 9274\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTurboSource describes the housing as a \u003cstrong\u003edirect bolt-on\u003c\/strong\u003e, requiring no additional fabrication when replacing the appropriate EFR turbine housing.\u003c\/p\u003e","brand":"Turblown","offers":[{"title":"Default Title","offer_id":58731667456384,"sku":"TS-EFR-IWG-74-1.0","price":1000.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1013\/2573\/4272\/files\/IMG_4111_2000x_RSG.jpg?v=1787586857","url":"https:\/\/rotarysecretgarage.com\/products\/turbosource-efr-iwg-74mm-1-0-turbine-housing","provider":"Rotary Secret Garage","version":"1.0","type":"link"}