{"id":8787351699681,"title":"Holley 300-137BK EFI 4150 Single Plane Intake Manifold GM LS1\/LS2\/LS6","handle":"hly300-137bk","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 300-137BK Single-Plane Mid-Rise intake manifold for higher horsepower GM LS Gen III\/IV 4.8L to 6.0L+ engine applications with Cathedral Port heads. It has a 4150 Square Bore flange, optimized runner layout in addition to consistent cross sectional area. Featuring a broad torque curve, itboasts best vehicle performance from 2500-7000 RPM. This is a great manifold for centrifugal blower, turbocharged as well as NOS power adder applications!\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;\"\u003eThe cast aluminum construction features an efficient lightweight design at only 11.5 lbs., Viton O-ring intake to cylinder head gaskets, as well as a 2.50\" x 1.15\" port size.\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 300-137BK EFI LS Mid-Rise 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: 4150 Square Bore\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: 2500-7000\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: 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';\"\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 individually\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\u003eNote:\u003c\/strong\u003e\u003c\/span\u003e Requires Holley Fuel Rail Kit P\/N 534-219.\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';\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eEmissions:\u003c\/strong\u003e\u003c\/span\u003e This part is legal for sale or use on Racing Use Only Vehicles that are used exclusively for competition that are not registered and that may never be used on the street. \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":"2024-12-30T11:12:42-06:00","created_at":"2024-11-25T16:03:12-06:00","vendor":"Winners Circle","type":"Intake Manifolds, Fuel Injected","tags":[],"price":49995,"price_min":49995,"price_max":49995,"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":45942637691105,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"HLY300-137BK","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Holley 300-137BK EFI 4150 Single Plane Intake Manifold GM LS1\/LS2\/LS6","public_title":null,"options":["Default Title"],"price":49995,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"090127715970","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/www.winnerscircle.com\/cdn\/shop\/files\/300-137BK.webp?v=1735576680","\/\/www.winnerscircle.com\/cdn\/shop\/files\/300-137BK_1.webp?v=1735579651","\/\/www.winnerscircle.com\/cdn\/shop\/files\/300-137BK_2.jpg?v=1735579650"],"featured_image":"\/\/www.winnerscircle.com\/cdn\/shop\/files\/300-137BK.webp?v=1735576680","options":["Title"],"media":[{"alt":"Holley 300-137BK EFI Intake Manifold, 4150 Flange, Single Plane, for GM LS1\/LS2\/LS6 Cathedral Port cylinder heads, Black, sold individually","id":36353593508065,"position":1,"preview_image":{"aspect_ratio":1.0,"height":4342,"width":4342,"src":"\/\/www.winnerscircle.com\/cdn\/shop\/files\/300-137BK.webp?v=1735576680"},"aspect_ratio":1.0,"height":4342,"media_type":"image","src":"\/\/www.winnerscircle.com\/cdn\/shop\/files\/300-137BK.webp?v=1735576680","width":4342},{"alt":"Holley 300-137BK EFI Intake Manifold, 4150 Flange, Single Plane, for GM LS1\/LS2\/LS6 Cathedral Port cylinder heads, Black, sold individually","id":36353713012961,"position":2,"preview_image":{"aspect_ratio":1.0,"height":4342,"width":4342,"src":"\/\/www.winnerscircle.com\/cdn\/shop\/files\/300-137BK_1.webp?v=1735579651"},"aspect_ratio":1.0,"height":4342,"media_type":"image","src":"\/\/www.winnerscircle.com\/cdn\/shop\/files\/300-137BK_1.webp?v=1735579651","width":4342},{"alt":"Holley 300-137BK EFI Intake Manifold, 4150 Flange, Single Plane, for GM LS1\/LS2\/LS6 Cathedral Port cylinder heads, Black, sold individually","id":36353713045729,"position":3,"preview_image":{"aspect_ratio":1.0,"height":4342,"width":4342,"src":"\/\/www.winnerscircle.com\/cdn\/shop\/files\/300-137BK_2.jpg?v=1735579650"},"aspect_ratio":1.0,"height":4342,"media_type":"image","src":"\/\/www.winnerscircle.com\/cdn\/shop\/files\/300-137BK_2.jpg?v=1735579650","width":4342}],"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 300-137BK Single-Plane Mid-Rise intake manifold for higher horsepower GM LS Gen III\/IV 4.8L to 6.0L+ engine applications with Cathedral Port heads. It has a 4150 Square Bore flange, optimized runner layout in addition to consistent cross sectional area. Featuring a broad torque curve, itboasts best vehicle performance from 2500-7000 RPM. This is a great manifold for centrifugal blower, turbocharged as well as NOS power adder applications!\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;\"\u003eThe cast aluminum construction features an efficient lightweight design at only 11.5 lbs., Viton O-ring intake to cylinder head gaskets, as well as a 2.50\" x 1.15\" port size.\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 300-137BK EFI LS Mid-Rise 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: 4150 Square Bore\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: 2500-7000\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: 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';\"\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 individually\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\u003eNote:\u003c\/strong\u003e\u003c\/span\u003e Requires Holley Fuel Rail Kit P\/N 534-219.\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';\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eEmissions:\u003c\/strong\u003e\u003c\/span\u003e This part is legal for sale or use on Racing Use Only Vehicles that are used exclusively for competition that are not registered and that may never be used on the street. \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"}