{"product_id":"holley-300-261-single-plane-intake-manifold-kit","title":"Holley 300-261 - Single Plane Intake Manifold Kit","description":"\u003cp\u003eHolley 300-261 - Single Plane Intake Manifold Kit\u003c\/p\u003e\u003cp\u003eIntake Manifold - Single-Plane - Square Bore - Single Plane - Aluminum - Natural - Small Block Chevy - Kit\u003c\/p\u003e\u003cp\u003eSingle Plane Intake Manifold Kit; Upper; Square Bore Carb Mounting Flange; 2500-7500 RPM; Front 4.18 in.\/Rear 5.28 in. Height; 1.92 in. H\/1.20 in. Wi Port Size;\u003c\/p\u003e\u003cp\u003eThe new single plane intake manifold is designed to provide a broad RPM powerband for high-performance street\/strip engine applications to a maximum engine speed of 7500 RPM. The carburetor-mounting pad is designed to accept all stock or aftermarket square-bore carburetors with manual or electric chokes. These intake manifolds are designed to accept most stock hardware and accessory brackets, but offer performance features; like an updated plenum divider area, a 1 in. shorter height than the 300-25 manifold, and a choice of two distributor clamp locations. The isolated design of the air\/fuel passages helps to increase charge air density and performance. The 300-261 intake manifolds are designed for square-bore carburetor applications on 1957-86 262-400cid Small Block Chevrolet engines and SBC engines equipped with 1987-91 L98 aluminum Corvette cylinder heads (non-EGR applications). Also, these manifolds will work with any SBC engine equipped with aftermarket cylinder heads, as long as they have a standard port flange opening and mounting bolt locations.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePower band: 2500-7500 RPM\u003c\/li\u003e\n\u003cli\u003eSquare Bore Carburetor Mounting Flange\u003c\/li\u003e\n\u003cli\u003eIsolated Water cross-over\u003c\/li\u003e\n\u003cli\u003ePort Size: 1.92” height 1.20\" width\u003c\/li\u003e\n\u003cli\u003eHeight: Front 4.18\", Rear 5.28\"\u003c\/li\u003e\n\u003cli\u003eSingle Plane with Isolated Plenum\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBarrels\u003c\/strong\u003e: \u003cspan\u003e4\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBasic Operating RPM Range\u003c\/strong\u003e: \u003cspan\u003e2500-7500\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: \u003cspan\u003eHolley\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCarburetor Flange\u003c\/strong\u003e: \u003cspan\u003e4150 Square Bore\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCarburetor Quantity\u003c\/strong\u003e: \u003cspan\u003e1\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCarburetor Studs Included\u003c\/strong\u003e: \u003cspan\u003eNo\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\u003e9.025\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\u003e3\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEngine\u003c\/strong\u003e: \u003cspan\u003eChevrolet Small Block - 87+ Aluminum Heads\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFlange Style\u003c\/strong\u003e: \u003cspan\u003e4150 Square Bore\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFront Maximum Height\u003c\/strong\u003e: \u003cspan\u003e4.18\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\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFuel System Type\u003c\/strong\u003e: \u003cspan\u003eCarb\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eGasket Or Seal Included\u003c\/strong\u003e: \u003cspan\u003eNo\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\u003eHigh Rise\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\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eRear Maximum Height\u003c\/strong\u003e: \u003cspan\u003e5.28\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\u003eNo\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\u003e3.6\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eThrottle Body Gasket Included\u003c\/strong\u003e: \u003cspan\u003eNo\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\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","offers":[{"title":"Default Title","offer_id":49931449106710,"sku":"HOL-300-261","price":403.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0930\/0878\/9782\/files\/0_300-261_0118228_normalized.jpg?v=1776487017","url":"https:\/\/www.cspracing.com\/products\/holley-300-261-single-plane-intake-manifold-kit","provider":"Complete Street Performance","version":"1.0","type":"link"}