{"product_id":"holley-efi-300-236-hi-ram-lower-manifold-gm-lt1","title":"Holley EFI 300-236 - Hi-Ram Lower Manifold - GM LT1","description":"\u003cp\u003eHolley EFI 300-236 - Hi-Ram Lower Manifold - GM LT1\u003c\/p\u003e\u003cp\u003eHolley Hi-Ram Lower Manifold - GM LT1\u003c\/p\u003e\u003cp\u003eLT1 Hi-Ram, Lower Manifold Only w\/Port EFI Provisions \u0026amp; Fuel Rails. Order Plenum Top Separately.\u003c\/p\u003e\u003cp\u003eThe new Holley EFI Hi-Ram intake provides the ultimate performance with the new GM direct-injected Gen V 6.2L LT1 engine.  The modular design of this manifold allows easy disassembly for custom porting, multiple tops, or custom induction systems.  Each runner has a large radius where it meets the plenum, and optimized taper \u0026amp; cross-sectional area to perform in a wide variety of engine configurations.  The optional injector bosses on the intake runners allow increased performance potential by using additional injectors along with the factory direct injection.  When you look for the pinnacle of performance, price, and quality, look to Holley EFI.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRear of Plenum Machined for MAP \u0026amp; 3 Vacuum Ports\u003c\/li\u003e\n\u003cli\u003eHeight at Plenum Flange: 9.44”\u003c\/li\u003e\n\u003cli\u003eO-Ring Seals at Cylinder Heads \u0026amp; Plenum Top\u003c\/li\u003e\n\u003cli\u003ePort Size: 2.06” High x 1.53” Wide\u003c\/li\u003e\n\u003cli\u003eLarge Plenum Volume of 549 Cubic Inches (w\/ 1 x 95mm or 1 x 105mm Throttle Body Top)\u003c\/li\u003e\n\u003cli\u003eOverall Height: 13.34” (w\/ EFI Top - 95mm or 105mm) – See Drawing\u003c\/li\u003e\n\u003cli\u003e3500-8000+ RPM Power Band\u003c\/li\u003e\n\u003cli\u003eModular Design w\/ Removable Top\u003c\/li\u003e\n\u003cli\u003eA-B Height: 12.10” (w\/ Carb Style Top - 2 x 4150 or 2 x 4500) – See Drawing\u003c\/li\u003e\n\u003cli\u003eEasy Assembly w\/ Top Mounted Screws on Plenum Top (all except front 2 screws)\u003c\/li\u003e\n\u003cli\u003eRunner Length: Approx. 6.5”\u003c\/li\u003e\n\u003cli\u003eAvailable With or Without Injector Ports in the Runners\u003c\/li\u003e\n\u003cli\u003eHead Flange has Clearance for Fuel Supply to High Pressure Pump\u003c\/li\u003e\n\u003cli\u003eIncreased Runner Wall Thickness for Custom Porting at the Plenum to Runner Entry on Each Runner\u003c\/li\u003e\n\u003cli\u003eSeveral Top Options: 1 x 95mm, 1 x 105mm, 2 x 4150, 2 x 4500, or Blank Flange for Custom Throttle Bodies\u003c\/li\u003e\n\u003cli\u003eIntakes w\/ Injector Ports Include Fuel Rails w\/ Dual Mounting (1.48” or 2.56” O-ring to O-ring injector length)\u003c\/li\u003e\n\u003cli\u003eFuel Rails are Anodized, Laser Etched, and Machined for 8AN O-Ring Fittings at Each End\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBasic Operating RPM Range\u003c\/strong\u003e: \u003cspan\u003e3500-8000+\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: \u003cspan\u003eHolley EFI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCarburetor Flange\u003c\/strong\u003e: \u003cspan\u003eN\/A\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCarburetor Quantity\u003c\/strong\u003e: \u003cspan\u003eN\/A\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCarburetor Studs Included\u003c\/strong\u003e: \u003cspan\u003eN\/A\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCategory\u003c\/strong\u003e: \u003cspan\u003eEngine\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCNC Ported\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eColor\u003c\/strong\u003e: \u003cspan\u003eNatural\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eConstruction\u003c\/strong\u003e: \u003cspan\u003eCast\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCylinder Head Port Shape\u003c\/strong\u003e: \u003cspan\u003eRectangle\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eDeck Height\u003c\/strong\u003e: \u003cspan\u003e9.24\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEGR Port\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEmission Code\u003c\/strong\u003e: \u003cspan\u003e4\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEngine\u003c\/strong\u003e: \u003cspan\u003eGM Gen V LT1\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFlange Style\u003c\/strong\u003e: \u003cspan\u003eN\/A\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFuel Injectors Included\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFuel Rail(s) Included\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eGasket Or Seal Included\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eGrade Type\u003c\/strong\u003e: \u003cspan\u003ePerformance\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eIntake Port Gasket(s) Included\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eManifold Type\u003c\/strong\u003e: \u003cspan\u003eHi-Ram\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: \u003cspan\u003eAluminum\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eNitrous Bung(s) Included\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003epart type\u003c\/strong\u003e: \u003cspan\u003eEngine Intake Manifold\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003ePlenum Finish\u003c\/strong\u003e: \u003cspan\u003eNatural\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: \u003cspan\u003eIntake Manifold Base\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eRemovable Runners\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eRemovable Top\/Lid\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSingle Or Dual Plane Type\u003c\/strong\u003e: \u003cspan\u003eSingle Plane\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSub Category\u003c\/strong\u003e: \u003cspan\u003eCylinder Block Components\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eThrottle Body Bore Diameter\u003c\/strong\u003e: \u003cspan\u003eN\/A\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eThrottle Body Gasket Included\u003c\/strong\u003e: \u003cspan\u003eN\/A\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eThrottle Body Included\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eType of Component\u003c\/strong\u003e: \u003cspan\u003eLower Manifold\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eVacuum Ports\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eWarning\u003c\/strong\u003e: \u003cspan\u003eCalifornia Proposition 65\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eWarranty\u003c\/strong\u003e: \u003cspan\u003eManufacturer's Limited 90 Day Warranty\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":47328270909578,"sku":"HOLEFI-300-236","price":999.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/0619\/2778\/files\/0_300-236v2_normalized.jpg?v=1776464968","url":"https:\/\/www.onlyinstock.com\/products\/holley-efi-300-236-hi-ram-lower-manifold-gm-lt1","provider":"Only In Stock","version":"1.0","type":"link"}