{"product_id":"holley-300-621-ls-ultra-lo-ram-efi-intake-manifold-kit","title":"Holley 300-621 LS Ultra Lo-Ram EFI Intake Manifold Kit","description":"\u003cp\u003eThe Holley 300-621 LS Lo-Ram EFI Intake Manifold Kit is designed for GM LS-Series applications and features a cathedral-port configuration for multi-port fuel injection. Its Ultra Lo-Ram design provides a compact intake manifold format for builds where packaging and performance-focused component selection are important.\u003c\/p\u003e\n\u003cp\u003eThis intake manifold features a 105 mm throttle body flange and is constructed from aluminum with a natural finish. The kit includes fuel rails, providing key components for the fuel delivery side of the intake system. The manifold is intended for use with GM LS-Series engines using cathedral-port cylinder heads.\u003c\/p\u003e\n\u003cp\u003eUse the Holley 300-621 as part of a compatible LS-Series EFI setup. Confirm engine configuration, cylinder-head port style, throttle body requirements and surrounding component clearance before installation to ensure proper application fit.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eApplication: GM LS-Series engines\u003c\/li\u003e\n\u003cli\u003eDesign: Ultra Lo-Ram intake manifold\u003c\/li\u003e\n\u003cli\u003ePort Configuration: Cathedral port\u003c\/li\u003e\n\u003cli\u003eFuel System: Multi-port\u003c\/li\u003e\n\u003cli\u003eThrottle Body Flange: 105 mm\u003c\/li\u003e\n\u003cli\u003eConstruction: Aluminum\u003c\/li\u003e\n\u003cli\u003eFinish: Natural\u003c\/li\u003e\n\u003cli\u003eIncluded Components: Fuel rails\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HOLLEY","offers":[{"title":"Default Title","offer_id":68028201435388,"sku":"HLY300-621","price":629.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0763\/8797\/5420\/files\/HLY300-621.jpg?v=1793216619","url":"https:\/\/ozkonickustomz.com\/products\/holley-300-621-ls-ultra-lo-ram-efi-intake-manifold-kit","provider":"Ozkonic Kustomz LLC","version":"1.0","type":"link"}