{"id":8787353010401,"title":"Holley 300-294BK EFI 4500 Single Plane Split-Design Race Intake Manifold GM LS1\/LS2\/LS6","handle":"hly300-294bk","description":"\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman'; color: black;\"\u003eHolley designed this 300-294BK Single-Plane Race intake manifold with maximum performance in mind! The 2-piece split design provides direct access to the internal plenum and port surfaces for all levels of porting and modification. With shoulder bolt locators and O-ring seal, disassembly and reassembly is simple and precise.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman'; color: black;\"\u003eThis manifold fits GM LS Gen III 5.3L to 6.2L+ engines with cathedral port heads. It has a 4500 Dominator style carb flange for carburetors, EFI throttle bodies as well as EFI throttle body elbows. It is configured with a LS MAP sensor port in addition to other NPT plenum vacuum or air-temp sensor ports.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman'; color: black;\"\u003eDesigned for hi-performance\/racing engine applications, N\/A as well as with power adders, the large volume 4500 plenum and optimized runners provide airflow potential for high RPM engines.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman'; color: black;\"\u003eWhether building a budget beater or boosted race car, Holley components have the features and technology you need at a price that won't break the bank!\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-outline-level: 3;\"\u003e\n\u003cb\u003e\u003cu\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman'; color: black;\"\u003eHolley 300-294BK EFI LS Race Intake Manifold Features:\u003c\/span\u003e\u003c\/u\u003e\u003c\/b\u003e\u003cb\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003c\/span\u003e\u003c\/b\u003e\n\u003c\/h3\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eFits: LS1\/LS2\/LS6 Cathedral Port Cylinder Heads only\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eFuel Injection Style: Multi-Port\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eManifold Style: Single Plane\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eFlange: 4500\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eBasic Operating RPM Range: 2500-7500\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eFuel Rails Included: Yes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eInjectors Included: No\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eFinish: Black\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eQuantity: Sold as a kit\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eEmissions:\u003c\/strong\u003e\u003c\/span\u003e This part is legal for sale or use on Uncontrolled (Non-Emissions Controlled) Vehicles. \u003cspan style=\"text-decoration: underline; color: #fd041f;\"\u003e\u003cstrong\u003eWARNING: It is against the law to install this part on an Emissions Controlled Vehicle.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman'; color: black;\"\u003eHolley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's products include carburetors, fuel pumps, fuel injection, as well as intake manifolds and much more. From start to finish, Holley has the parts to make your dream a reality!\u003c\/span\u003e\u003c\/p\u003e","published_at":"2024-12-27T10:15:10-06:00","created_at":"2024-11-25T16:03:24-06:00","vendor":"HOLLEY","type":"Intake Manifolds, Fuel Injected","tags":[],"price":70995,"price_min":70995,"price_max":70995,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":45942639657185,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"HLY300-294BK","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Holley 300-294BK EFI 4500 Single Plane Split-Design Race Intake Manifold GM LS1\/LS2\/LS6","public_title":null,"options":["Default Title"],"price":70995,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"090127082225","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/www.winnerscircle.com\/cdn\/shop\/files\/300-294BK.webp?v=1735315722","\/\/www.winnerscircle.com\/cdn\/shop\/files\/300-294BK_1.webp?v=1735315754","\/\/www.winnerscircle.com\/cdn\/shop\/files\/300-294BK_2.webp?v=1735315754","\/\/www.winnerscircle.com\/cdn\/shop\/files\/300-294BK_3.webp?v=1735315754"],"featured_image":"\/\/www.winnerscircle.com\/cdn\/shop\/files\/300-294BK.webp?v=1735315722","options":["Title"],"media":[{"alt":"Holley 300-294BK Intake Manifold, for use with EFI 4500, Race, Single Plane, Split Design, for GM LS1\/LS2\/LS6 Cathedral Port cylinder heads, Black, Kit","id":36347370930401,"position":1,"preview_image":{"aspect_ratio":1.5,"height":3456,"width":5184,"src":"\/\/www.winnerscircle.com\/cdn\/shop\/files\/300-294BK.webp?v=1735315722"},"aspect_ratio":1.5,"height":3456,"media_type":"image","src":"\/\/www.winnerscircle.com\/cdn\/shop\/files\/300-294BK.webp?v=1735315722","width":5184},{"alt":"Holley 300-294BK Intake Manifold, for use with EFI 4500, Race, Single Plane, Split Design, for GM LS1\/LS2\/LS6 Cathedral Port cylinder heads, Black, Kit","id":36347374207201,"position":2,"preview_image":{"aspect_ratio":1.361,"height":2170,"width":2954,"src":"\/\/www.winnerscircle.com\/cdn\/shop\/files\/300-294BK_1.webp?v=1735315754"},"aspect_ratio":1.361,"height":2170,"media_type":"image","src":"\/\/www.winnerscircle.com\/cdn\/shop\/files\/300-294BK_1.webp?v=1735315754","width":2954},{"alt":"Holley 300-294BK Intake Manifold, for use with EFI 4500, Race, Single Plane, Split Design, for GM LS1\/LS2\/LS6 Cathedral Port cylinder heads, Black, Kit","id":36347374272737,"position":3,"preview_image":{"aspect_ratio":1.365,"height":3107,"width":4242,"src":"\/\/www.winnerscircle.com\/cdn\/shop\/files\/300-294BK_2.webp?v=1735315754"},"aspect_ratio":1.365,"height":3107,"media_type":"image","src":"\/\/www.winnerscircle.com\/cdn\/shop\/files\/300-294BK_2.webp?v=1735315754","width":4242},{"alt":"Holley 300-294BK Intake Manifold, for use with EFI 4500, Race, Single Plane, Split Design, for GM LS1\/LS2\/LS6 Cathedral Port cylinder heads, Black, Kit","id":36347374239969,"position":4,"preview_image":{"aspect_ratio":1.369,"height":2826,"width":3870,"src":"\/\/www.winnerscircle.com\/cdn\/shop\/files\/300-294BK_3.webp?v=1735315754"},"aspect_ratio":1.369,"height":2826,"media_type":"image","src":"\/\/www.winnerscircle.com\/cdn\/shop\/files\/300-294BK_3.webp?v=1735315754","width":3870}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman'; color: black;\"\u003eHolley designed this 300-294BK Single-Plane Race intake manifold with maximum performance in mind! The 2-piece split design provides direct access to the internal plenum and port surfaces for all levels of porting and modification. With shoulder bolt locators and O-ring seal, disassembly and reassembly is simple and precise.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman'; color: black;\"\u003eThis manifold fits GM LS Gen III 5.3L to 6.2L+ engines with cathedral port heads. It has a 4500 Dominator style carb flange for carburetors, EFI throttle bodies as well as EFI throttle body elbows. It is configured with a LS MAP sensor port in addition to other NPT plenum vacuum or air-temp sensor ports.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman'; color: black;\"\u003eDesigned for hi-performance\/racing engine applications, N\/A as well as with power adders, the large volume 4500 plenum and optimized runners provide airflow potential for high RPM engines.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman'; color: black;\"\u003eWhether building a budget beater or boosted race car, Holley components have the features and technology you need at a price that won't break the bank!\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-outline-level: 3;\"\u003e\n\u003cb\u003e\u003cu\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman'; color: black;\"\u003eHolley 300-294BK EFI LS Race Intake Manifold Features:\u003c\/span\u003e\u003c\/u\u003e\u003c\/b\u003e\u003cb\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003c\/span\u003e\u003c\/b\u003e\n\u003c\/h3\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eFits: LS1\/LS2\/LS6 Cathedral Port Cylinder Heads only\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eFuel Injection Style: Multi-Port\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eManifold Style: Single Plane\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eFlange: 4500\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eBasic Operating RPM Range: 2500-7500\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eFuel Rails Included: Yes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eInjectors Included: No\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eFinish: Black\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eQuantity: Sold as a kit\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eEmissions:\u003c\/strong\u003e\u003c\/span\u003e This part is legal for sale or use on Uncontrolled (Non-Emissions Controlled) Vehicles. \u003cspan style=\"text-decoration: underline; color: #fd041f;\"\u003e\u003cstrong\u003eWARNING: It is against the law to install this part on an Emissions Controlled Vehicle.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman'; color: black;\"\u003eHolley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's products include carburetors, fuel pumps, fuel injection, as well as intake manifolds and much more. From start to finish, Holley has the parts to make your dream a reality!\u003c\/span\u003e\u003c\/p\u003e"}