{"product_id":"chevrolet-performance-lt1-cnc-ported-cylinder-head-sold-individually-19329839","title":"CHEVROLET PERFORMANCE LT1 CNC PORTED CYLINDER HEAD - SOLD INDIVIDUALLY - 19329839","description":"\u003ch3 data-start=\"197\" data-end=\"255\"\u003e\u003cstrong data-start=\"201\" data-end=\"255\"\u003eChevrolet Performance LT1 CNC Ported Cylinder Head\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"257\" data-end=\"674\"\u003eThe \u003cstrong data-start=\"261\" data-end=\"315\"\u003eChevrolet Performance LT1 CNC Ported Cylinder Head\u003c\/strong\u003e is a precision-engineered upgrade designed to unlock the true airflow and power potential of your LT-series engine. Built from high-quality aluminum and finished with computer-controlled porting, this head delivers improved intake and exhaust flow compared to stock castings, resulting in better cylinder filling, stronger torque, and higher peak horsepower.\u003c\/p\u003e\n\u003cp data-start=\"676\" data-end=\"1124\"\u003eCNC porting ensures \u003cstrong data-start=\"696\" data-end=\"729\"\u003econsistent, optimized airflow\u003c\/strong\u003e through the intake and exhaust runners and combustion chambers, with precision shaping that traditional hand porting can’t match. By removing casting irregularities and smoothing critical airflow paths, the ported LT1 head supports enhanced combustion efficiency and more complete power strokes—especially beneficial on modified or high-performance builds. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003ca href=\"https:\/\/www.chevrolet.com\/content\/dam\/chevrolet\/na\/us\/english\/index\/performance\/powertrain\/catalog\/02-pdf\/2024_CP_Catalog_WEB_6-10-24.pdf?utm_source=chatgpt.com\" rel=\"noopener\" alt=\"https:\/\/www.chevrolet.com\/content\/dam\/chevrolet\/na\/us\/english\/index\/performance\/powertrain\/catalog\/02-pdf\/2024_CP_Catalog_WEB_6-10-24.pdf?utm_source=chatgpt.com\" class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium transition-colors duration-150 ease-in-out text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" target=\"_blank\"\u003e\u003cspan class=\"relative start-0 bottom-0 flex h-full w-full items-center\"\u003e\u003cspan class=\"flex h-4 w-full items-center justify-between overflow-hidden\"\u003e\u003cspan class=\"max-w-[15ch] grow truncate overflow-hidden text-center\"\u003eChevrolet\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1126\" data-end=\"1570\"\u003eThis performance head is a \u003cstrong data-start=\"1153\" data-end=\"1207\"\u003edirect fit for Gen V LT1 and compatible LT engines\u003c\/strong\u003e with the standard rectangle-port design, making installation straightforward with minimal additional modifications required. Whether you’re building a street\/strip cruiser or a high-output race engine, the CNC ported head delivers the airflow foundation needed for supporting cam upgrades, forced induction, or elevated RPM operation. \u003cem data-start=\"1543\" data-end=\"1570\"\u003eTypical benefits include:\u003c\/em\u003e\u003c\/p\u003e\n\u003cp data-start=\"1572\" data-end=\"1600\"\u003e\u003cstrong data-start=\"1572\" data-end=\"1600\"\u003eKey Features \u0026amp; Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1601\" data-end=\"1937\"\u003e\n\u003cli data-start=\"1601\" data-end=\"1680\"\u003e\n\u003cp data-start=\"1603\" data-end=\"1680\"\u003eCNC-ported intake and exhaust runners for optimized airflow and consistency\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1681\" data-end=\"1747\"\u003e\n\u003cp data-start=\"1683\" data-end=\"1747\"\u003ePrecision machined combustion chambers for improved efficiency\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1748\" data-end=\"1811\"\u003e\n\u003cp data-start=\"1750\" data-end=\"1811\"\u003eDurable aluminum construction for strength and heat control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1812\" data-end=\"1858\"\u003e\n\u003cp data-start=\"1814\" data-end=\"1858\"\u003eDirect bolt-on fit to LT1 platform engines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1859\" data-end=\"1937\"\u003e\n\u003cp data-start=\"1861\" data-end=\"1937\"\u003eExcellent upgrade for performance builds, tuning, and high-flow applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1939\" data-end=\"2105\"\u003e\u003cem data-start=\"1939\" data-end=\"1946\"\u003eNote:\u003c\/em\u003e Actual power gains will vary based on supporting modifications and tuning. For best results, pair with quality camshafts, intake systems, and ECU calibration.\u003c\/p\u003e","brand":"streetdrivenperformance","offers":[{"title":"Default Title","offer_id":46965438906522,"sku":null,"price":1407.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0565\/2099\/9066\/files\/gmpp_cnc_lt1_1.jpg?v=1767328813","url":"https:\/\/streetdrivenspeed.com\/products\/chevrolet-performance-lt1-cnc-ported-cylinder-head-sold-individually-19329839","provider":"streetdrivenperformance","version":"1.0","type":"link"}