{"product_id":"intake-manifold-single-plane-efi-gm-ls1-ls2-ls6","title":"Intake Manifold Single Plane EFI GM LS1\/LS2\/LS6","description":"\u003cp\u003e\u003cb\u003ePart #:\u003c\/b\u003e 300-137\u003c\/p\u003e\u003cp\u003eSingle Plane EFI LS Intake Manifold. All GM LS Gen III or IV engines equipped with LS1\/LS2\/LS6 style cathedral port cylinder heads.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2500-7000 RPM power band\u003c\/li\u003e\n\u003cli\u003e4150 Square bore flange\u003c\/li\u003e\n\u003cli\u003eOptimized runner layout and constant cross sectional area - broad torque curve, best vehicle performance from 2500-7000 RPM\u003c\/li\u003e\n\u003cli\u003eMinimum carb flange height - fit in vehicles with minimum hood modifications\u003c\/li\u003e\n\u003cli\u003eCast aluminum construction - great manifold for centrifugal blower, turbocharged or NOS power adder applications\u003c\/li\u003e\n\u003cli\u003eEfficient casting design - lightweight, consistent wall thicknesses, improved casting quality\u003c\/li\u003e\n\u003cli\u003eWeight - 11.5 lbs.\u003c\/li\u003e\n\u003cli\u003eHeight (front) - 5.417\" to the lifter valley cover flange at the engine block front flange\u003c\/li\u003e\n\u003cli\u003ePort size - 2.50\" height x 1.15\" wide\u003c\/li\u003e\n\u003cli\u003eIncludes Viton (R) O-ring intake to cylinder head gaskets - Viton (R) is a registered trademark of DuPont Performance Elastomers\u003c\/li\u003e\n\u003cli\u003eKit does not work with factory fuel rails and requires the use of Holley Fuel Rail Kit P\/N 534-219\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSingle Plane EFI LS Intake Manifold. All GM LS Gen III or IV engines equipped with LS1\/LS2\/LS6 style cathedral port cylinder heads.\u003c\/p\u003e","brand":"Holley","offers":[{"title":"Default Title","offer_id":52258579120440,"sku":"H00E 300-137","price":494.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/horsepower-asset-518675-3293152-square.webp?v=1778126233","url":"https:\/\/store.motormia.co\/products\/intake-manifold-single-plane-efi-gm-ls1-ls2-ls6","provider":"MOTORMIA","version":"1.0","type":"link"}