{"product_id":"killer-b-v2-high-flow-water-pump-housing-ej-series","title":"Killer B V2 High Flow Water Pump Housing EJ Series","description":"\u003cp class=\"p1\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e: WPHV2\u003c\/p\u003e\n\u003ch4 class=\"p1\"\u003e\n\u003cstrong\u003eKiller B V2 High Flow Water Pump Housing EJ Series for Subaru Performance\u003c\/strong\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/h4\u003e\n\u003cp class=\"p1\"\u003eThe Killer B V2 High Flow Water Pump Housing (SKU: WPHV2), the definitive choice for enthusiasts seeking superior engine reliability and efficiency. Engineered with cutting-edge technology and precision craftsmanship, this water pump housing outperforms all competitors, delivering maximum coolant flow with minimal turbulence for optimal engine cooling. Whether you’re pushing your Subaru WRX, STI, Forester XT, Legacy GT, or Outback XT to its limits on the track or street, the Killer B V2 is the best choice for maintaining peak performance and preventing overheating.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eWhy Killer B?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe Killer B V2 High Flow Water Pump Housing stands head and shoulders above stock and aftermarket alternatives. Designed specifically for Subaru EJ Series engines (EJ20\/EJ25), this housing is crafted using state-of-the-art 3D CAD software to ensure unparalleled flow efficiency and durability. Unlike OEM housings, which can restrict coolant flow and lead to higher engine temperatures, the Killer B V2 features a larger internal diameter and smooth taper inlet for turbulence-free flow, resulting in better heat dissipation and improved engine longevity. Its robust construction and meticulous engineering make it the top choice for high-RPM applications and demanding driving conditions.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003ePerformance Advantages:\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eEnhanced Coolant Flow\u003c\/b\u003e: Optimized design increases coolant circulation, reducing engine temperatures and improving performance under stress.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eSuperior Build Quality\u003c\/b\u003e: Made from \u003cb\u003e304 stainless steel\u003c\/b\u003e (or cast aluminum in select versions), ensuring corrosion resistance and long-term durability.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003ePrecision Engineering\u003c\/b\u003e: CNC-machined flange and hand TIG-welded construction guarantee a leak-free install and perfect fitment.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eTurbulence-Free Design\u003c\/b\u003e: Smooth transitions and roll-formed bead ensure secure hose connections and consistent flow.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eProven Results\u003c\/b\u003e: Users report noticeably improved coolant flow and lower temperature readings, especially when paired with upgrades like Koyo radiators.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eIncluded:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003e1 x Killer B V2 High Flow Water Pump Housing\u003c\/b\u003e: Precision-engineered for EJ Series engines, available in raw stainless steel or black powder coat finish (SKU: WPHV2-B for black).\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eOptional Installation Kit\u003c\/b\u003e (sold separately): Includes hose, clamps, and gaskets for a hassle-free install.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eFitment Compatibility\u003c\/b\u003e: Designed to work with OEM-size lower radiator hoses and OEM thermostat gaskets for seamless integration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eNote\u003c\/b\u003e: For optimal performance, we recommend replacing the thermostat and gasket with OEM products during installation. Blue coolant is advised for EJ Series engines.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eVehicle Fitment\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe Killer B V2 High Flow Water Pump Housing is compatible with the following Subaru models equipped with EJ20\/EJ25 engines:\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003e2002-2014 Subaru WRX\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003e2004-2021 Subaru STI\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003e2004-2013 Subaru Forester XT\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003e2005-2009 Subaru Legacy GT\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003e2004-2009 Subaru Outback XT\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003e2004-2006 Subaru Baja Turbo\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003ePart Numbers\u003c\/b\u003e:\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eWPHV2\u003c\/b\u003e: Raw stainless steel finish\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eWPHV2-B\u003c\/b\u003e: Black powder coat finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eWhy Killer B V2 is the #1 Choice\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eUnlike other aftermarket water pump housings, the Killer B V2 combines innovative design, premium materials, and Subaru-specific engineering to deliver unmatched cooling performance. Its larger internal diameter and smooth flow paths outperform OEM and competing products, providing peace of mind for high-performance builds. Ease of installation (rated 2\/10 difficulty) and noticeable improvements in coolant flow and temperature management, making it a must-have upgrade for any serious Subaru enthusiast.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eInstallation Notes\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eBolt-On Simplicity\u003c\/b\u003e: The WPHV2 bolts directly to your EJ Series engine with no modifications required.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eLower Radiator Hose Fitment\u003c\/b\u003e: May require trimming for perfect fitment, though it’s compatible with OEM-size hoses.\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Killer B Motorsport","offers":[{"title":"Default Title","offer_id":43414899228751,"sku":"KLBWPHV2","price":204.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/SKU_WPHV2.png?v=1753110989","url":"https:\/\/www.blackopsautoworks.com\/products\/killer-b-v2-high-flow-water-pump-housing-ej-series","provider":"Black Ops Auto Works","version":"1.0","type":"link"}