{"product_id":"single-plane-efi-intake-manifold-w-fuel-rails-300-137-for-gm-gen-ls1-ls2-ls6-2","title":"Single-Plane EFI Intake Manifold w\/ Fuel Rails 300-137 For GM Gen LS1 LS2 LS6","description":"\u003ch2\u003eSingle-Plane EFI Intake Manifold w\/ Fuel Rails 300-137 For GM Gen LS1 LS2 LS6\u003c\/h2\u003e\u003cp\u003eUnlock the full performance potential of your engine with this premium aftermarket single-plane EFI intake manifold. Specifically engineered for GM Gen III and IV LS-based engines including the LS1, LS2, and LS6, this manifold is designed to optimize airflow for high-RPM power. Please note that this is a high-quality aftermarket component and is not an original equipment manufacturer (OEM) part.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHigh-performance single-plane design for improved top-end power.\u003c\/li\u003e\n\u003cli\u003eIncludes dedicated fuel rails for a streamlined EFI installation.\u003c\/li\u003e\n\u003cli\u003eConstructed from durable, lightweight aluminum for superior heat management.\u003c\/li\u003e\n\u003cli\u003ePrecision-machined runners ensure consistent airflow to every cylinder.\u003c\/li\u003e\n\u003cli\u003ePerfect for performance builds, engine swaps, and racing applications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible Models\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGM LS1 Engines (5.7L)\u003c\/li\u003e\n\u003cli\u003eGM LS2 Engines (6.0L)\u003c\/li\u003e\n\u003cli\u003eGM LS6 Engines (5.7L)\u003c\/li\u003e\n\u003cli\u003eGeneral Motors Gen III \u0026amp; Gen IV LS-based blocks\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePart Number: 300-137\u003c\/li\u003e\n\u003cli\u003eIntake Style: Single Plane\u003c\/li\u003e\n\u003cli\u003eFuel Delivery: EFI (Electronic Fuel Injection)\u003c\/li\u003e\n\u003cli\u003eMaterial: High-Grade Cast Aluminum\u003c\/li\u003e\n\u003cli\u003eKit Includes: Intake Manifold, Fuel Rails, and Mounting Hardware\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs this an OEM part?\u003c\/strong\u003e\u003cbr\u003eNo, this is a premium aftermarket replacement part designed to meet or exceed the performance of original equipment while offering exceptional value.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm compatibility?\u003c\/strong\u003e\u003cbr\u003eYou can confirm fitment by verifying your engine type (LS1, LS2, or LS6) and ensuring the part number 300-137 matches your performance requirements and manifold height clearances.\u003c\/p\u003e\u003chr\u003e\u003cem\u003eImportant: This is a premium aftermarket part and is not manufactured by the original equipment manufacturer (OEM). Brand names and model numbers are used for reference purposes only. Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.\u003c\/em\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":53378325250321,"sku":"ZZ2S00039","price":430.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/12_fe2b78cb-3f46-4973-b6b2-2262c7d4b334.jpg?v=1775398883","url":"https:\/\/www.duraforce.com\/products\/single-plane-efi-intake-manifold-w-fuel-rails-300-137-for-gm-gen-ls1-ls2-ls6-2","provider":"DURAFORCE","version":"1.0","type":"link"}