{"product_id":"ls-lo-ram-efi-intake-manifold-kit","title":"Holley EFI Ultra Lo-Ram Intake Manifold Kit 105mm Cathedral Port — Fits GM LS-Series","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Holley EFI\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eHolley EFI engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Holley EFI lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/1CMCzJ-scgI\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eUnleash Power with the Ultra Lo-Ram for Cathedral Port LS\u003c\/h2\u003e\u003cp\u003eThe Holley EFI Ultra Lo-Ram Intake Manifold Kit is the pinnacle of intake technology for Cathedral Port LS engines. Designed for those who refuse to compromise, this kit includes everything you need to optimize your engine's breathing, including high-flow fuel rails. With a massive 105mm throttle body flange, this manifold is ready to support high-horsepower builds that require maximum air volume.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for Cathedral Port LS cylinder heads\u003c\/li\u003e\n\u003cli\u003eIncludes high-flow fuel rails for consistent pressure\u003c\/li\u003e\n\u003cli\u003e105mm throttle body flange for maximum airflow\u003c\/li\u003e\n\u003cli\u003eUltra-low profile for maximum hood clearance\u003c\/li\u003e\n\u003cli\u003eMulti-port EFI design for superior fuel atomization\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe Ultra Lo-Ram is specifically engineered to provide the performance of a race-ready tunnel ram in a package that fits under most factory hoods. Its advanced runner design promotes even air distribution to all cylinders, which is critical for high-RPM stability and power production. The included fuel rails are designed to handle high-pressure fuel systems, ensuring your engine gets the fuel it needs under any load. Whether you are running a naturally aspirated setup or a high-boost turbo configuration, this manifold provides the durability and performance necessary to dominate the track. Built from high-quality aluminum, it is as rugged as it is efficient. Take your build to the next level with the best components on the market. Shop the full Holley EFI collection at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Holley EFI products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/efi-pro-digital-dash-w-6-86in-screen\" style=\"color:#0066cc;text-decoration:none;\"\u003eHolley EFI Pro Digital Dash 6.86in Touchscreen — Universal Upgrade\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/pro-digital-dash-panel\" style=\"color:#0066cc;text-decoration:none;\"\u003eHolley EFI Pro Digital Dash Panel Assembly — Programmable Gauge Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/efi-dash-7-dash-bezel-62-65-nova\" style=\"color:#0066cc;text-decoration:none;\"\u003eHolley EFI Dash Bezel for 62-65 Chevy Nova — Black Plastic\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/smart-coil-kit-8-cyl\" style=\"color:#0066cc;text-decoration:none;\"\u003eHolley EFI Smart Coil Kit 8-Cylinder — E-Core Coil-Near-Plug with Wiring Harness\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/bbf-fe-efi-hyperspark-distributor\" style=\"color:#0066cc;text-decoration:none;\"\u003eHolley EFI Hyperspark Distributor - Ford FE-Series Big Block Sniper EFI Compatible\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Holley EFI Ultra Lo-Ram Intake Manifold Kit 105mm Cathedral Port \\u2014 Fits GM LS-Series\",\"description\":\"Upgrade your Cathedral Port LS engine with the Holley EFI Ultra Lo-Ram 105mm Intake. Includes fuel rails. Get the best performance at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Holley EFI\"},\"mpn\":\"300-621\",\"url\":\"https:\/\/ggcracing.com\/products\/ls-lo-ram-efi-intake-manifold-kit\",\"offers\":{\"@type\":\"Offer\",\"price\":\"1049.95\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/ls-lo-ram-efi-intake-manifold-kit\",\"sku\":\"GVMR_300-621\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Intake\",\"item\":\"https:\/\/ggcracing.com\/collections\/intake\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Holley EFI\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Holley+EFI\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Holley EFI Ultra Lo-Ram Intake Manifold Kit 105mm Cathedral Port \\u2014 Fits GM LS-Series\",\"item\":\"https:\/\/ggcracing.com\/products\/ls-lo-ram-efi-intake-manifold-kit\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Holley EFI Ultra Lo-Ram Intake Manifold Kit 105mm Cathedral Port \\u2014 Fits GM LS-Se fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Holley EFI?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Holley EFI Ultra Lo-Ram Intake Manifold Kit 105mm Cathedral Port \\u2014 Fits GM LS-Se?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Cold air intakes typically install in 30-60 minutes with basic hand tools. No tuning required for most plug-and-play kits.\"}}]}\u003c\/script\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":40880384049236,"sku":"GVMR_300-621","price":943.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/HLY300-621.jpg?v=1714511821","url":"https:\/\/ggcracing.com\/products\/ls-lo-ram-efi-intake-manifold-kit","provider":"GGCRACING INC","version":"1.0","type":"link"}