{"product_id":"zl1-stage-2-performance-package","title":"ZL1 Stage 2 Performance Package","description":"\u003cp data-start=\"181\" data-end=\"391\"\u003eTake your ZL1 to the next level with our Stage 2 Performance Package—building on the proven Stage 1 setup by adding a custom camshaft package for substantial gains in horsepower, sound, and overall performance.\u003c\/p\u003e\n\u003cp data-start=\"393\" data-end=\"576\"\u003eThis package is designed for customers looking for a more aggressive setup with a noticeable idle, increased power throughout the RPM range, and a true performance driving experience.\u003c\/p\u003e\n\u003chr data-start=\"578\" data-end=\"581\"\u003e\n\u003ch3 data-section-id=\"4tqg90\" data-start=\"583\" data-end=\"607\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"587\" data-end=\"607\"\u003eWhat’s Included:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"609\" data-end=\"637\"\u003e\u003cstrong data-start=\"609\" data-end=\"637\"\u003eEverything from Stage 1:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"638\" data-end=\"905\"\u003e\n\u003cli data-section-id=\"1ww2nr\" data-start=\"638\" data-end=\"695\"\u003e\n\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eROTO-FAB\u003c\/span\u003e\u003c\/span\u003e Cold Air Intake\u003c\/li\u003e\n\u003cli data-section-id=\"8ko6gl\" data-start=\"696\" data-end=\"755\"\u003e\n\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eStainless Works\u003c\/span\u003e\u003c\/span\u003e Long Tube Headers\u003c\/li\u003e\n\u003cli data-section-id=\"1s1a1k4\" data-start=\"756\" data-end=\"807\"\u003e\n\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eMighty Mouse Solutions\u003c\/span\u003e\u003c\/span\u003e Catch Can\u003c\/li\u003e\n\u003cli data-section-id=\"n6jvkb\" data-start=\"808\" data-end=\"873\"\u003e\n\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eNGK\u003c\/span\u003e\u003c\/span\u003e Performance Spark Plugs\u003c\/li\u003e\n\u003cli data-section-id=\"1940lwm\" data-start=\"874\" data-end=\"905\"\u003eCustom In-House Dyno Tuning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"907\" data-end=\"910\"\u003e\n\u003ch3 data-section-id=\"blpfs9\" data-start=\"912\" data-end=\"937\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"916\" data-end=\"937\"\u003eStage 2 Upgrades:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"939\" data-end=\"1208\"\u003e\u003cstrong data-start=\"939\" data-end=\"967\"\u003eCustom Spec Camshaft Kit\u003c\/strong\u003e\u003cbr data-start=\"967\" data-end=\"970\"\u003eOur custom-spec camshaft is designed specifically for the LT4 platform to maximize power while maintaining drivability. Each cam is carefully selected to match your goals—whether that’s street performance, track use, or a balance of both.\u003c\/p\u003e\n\u003cp data-start=\"1210\" data-end=\"1382\"\u003e\u003cstrong data-start=\"1210\" data-end=\"1253\"\u003eComplete Supporting Valve Train Package\u003c\/strong\u003e\u003cbr data-start=\"1253\" data-end=\"1256\"\u003eIncludes all required components to properly support the camshaft upgrade, ensuring reliability and performance at higher RPM:\u003c\/p\u003e\n\u003cul data-start=\"1383\" data-end=\"1519\"\u003e\n\u003cli data-section-id=\"1rbfmju\" data-start=\"1383\" data-end=\"1414\"\u003eUpgraded dual valve springs\u003c\/li\u003e\n\u003cli data-section-id=\"1mqv5ml\" data-start=\"1415\" data-end=\"1436\"\u003eChromoly pushrods\u003c\/li\u003e\n\u003cli data-section-id=\"1vnq6ca\" data-start=\"1437\" data-end=\"1475\"\u003eValve seals and necessary hardware\u003c\/li\u003e\n\u003cli data-section-id=\"1yv005f\" data-start=\"1476\" data-end=\"1519\"\u003eNew gaskets and installation components\u003c\/li\u003e\n\u003cli data-section-id=\"1yv005f\" data-start=\"1476\" data-end=\"1519\"\u003eInstallation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1521\" data-end=\"1715\"\u003e\u003cstrong data-start=\"1521\" data-end=\"1545\"\u003eCHE Trunnion Upgrade\u003c\/strong\u003e\u003cbr data-start=\"1545\" data-end=\"1548\"\u003eHigh-performance trunnion upgrade from \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eCHE Precision\u003c\/span\u003e\u003c\/span\u003e to strengthen the factory rocker arms and improve durability under increased load and RPM.\u003c\/p\u003e\n\u003chr data-start=\"1717\" data-end=\"1720\"\u003e\n\u003ch3 data-section-id=\"1xvlymn\" data-start=\"1722\" data-end=\"1743\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1726\" data-end=\"1743\"\u003eKey Benefits:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1744\" data-end=\"2012\"\u003e\n\u003cli data-section-id=\"t5clv\" data-start=\"1744\" data-end=\"1800\"\u003eSignificant horsepower and torque gains over Stage 1\u003c\/li\u003e\n\u003cli data-section-id=\"vi9r8d\" data-start=\"1801\" data-end=\"1839\"\u003eAggressive camshaft sound and lope\u003c\/li\u003e\n\u003cli data-section-id=\"sf5n0d\" data-start=\"1840\" data-end=\"1898\"\u003eIncreased top-end performance and power band extension\u003c\/li\u003e\n\u003cli data-section-id=\"1thtuef\" data-start=\"1899\" data-end=\"1956\"\u003eStrengthened valvetrain for reliability at higher RPM\u003c\/li\u003e\n\u003cli data-section-id=\"1vnxgg0\" data-start=\"1957\" data-end=\"2012\"\u003eFully dialed-in drivability with custom dyno tuning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2014\" data-end=\"2017\"\u003e\n\u003ch3 data-section-id=\"5nes1y\" data-start=\"2019\" data-end=\"2044\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2023\" data-end=\"2044\"\u003eAdditional Notes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2045\" data-end=\"2213\"\u003e\n\u003cli data-section-id=\"jso9ik\" data-start=\"2045\" data-end=\"2086\"\u003eThis package is installed tuned and ready to enjoy\u003c\/li\u003e\n\u003cli data-section-id=\"w89968\" data-start=\"2087\" data-end=\"2150\"\u003eCustom tuning is included and required for proper operation\u003c\/li\u003e\n\u003cli data-section-id=\"4pq5uh\" data-start=\"2151\" data-end=\"2213\"\u003ePackage can be tailored to meet specific performance goals\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Five Bar Motorsports","offers":[{"title":"Default Title","offer_id":46113947746492,"sku":null,"price":14495.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0476\/6731\/4848\/files\/499a8f56-9509-4b59-822b-15b52f8ac8b1.png?v=1774553398","url":"https:\/\/www.fivebarmotorsports.com\/products\/zl1-stage-2-performance-package","provider":"Five Bar Motorsports","version":"1.0","type":"link"}