{"id":6508,"date":"2026-10-01T10:26:30","date_gmt":"2026-10-01T17:26:30","guid":{"rendered":"https:\/\/www.readylift.com\/blog\/?p=6508"},"modified":"2026-10-01T10:26:31","modified_gmt":"2026-10-01T17:26:31","slug":"readylift-introduces-reengineered-6-inch-and-8-inch-big-lift-kits-for-gm-1500-trucks","status":"publish","type":"post","link":"https:\/\/www.readylift.com\/blog\/2026\/10\/01\/readylift-introduces-reengineered-6-inch-and-8-inch-big-lift-kits-for-gm-1500-trucks\/","title":{"rendered":"ReadyLIFT Introduces Reengineered 6-Inch and 8-Inch Big Lift Kits for GM 1500 Trucks"},"content":{"rendered":"\n<!-- WORDPRESS BLOG ARTICLE\nPost title: ReadyLIFT Introduces Reengineered GM 1500 Big Lift Kits\nSuggested meta description: Explore reengineered ReadyLIFT GM 1500 Big Lift Kits for 2019\u20132026 Silverado and Sierra trucks, with Falcon 2.1 rear shocks and improved steering geometry.\nUse the existing release post URL when updating the published article.\nFeatured image \/ top banner (set in WordPress; intentionally not repeated in body):\nhttps:\/\/www.readylift.com\/blog\/content\/uploads\/2026\/09\/RL-Reengineered-GM-1500-Big-Lift-Kits-Blog-Banner.jpg\nPaste this file into the post\u2019s Custom HTML block \/ HTML editor. 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.gm-card-copy{padding:24px;display:flex;flex-direction:column;flex:1}\n.rl-gm-release .gm-card h3{font-size:25px;line-height:1.18}\n.rl-gm-release .gm-card p{font-size:15px;line-height:1.55}\n.rl-gm-release .gm-card .rl-button{margin-top:auto;text-align:center;font-size:13px}\n.rl-gm-release .gm-gallery{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:30px}\n.rl-gm-release .gm-gallery figure{margin:0;background:#f3f3f3}\n.rl-gm-release .gm-gallery img{width:100%;aspect-ratio:3\/2;object-fit:cover}\n.rl-gm-release .gm-engineering-image{aspect-ratio:auto!important;object-fit:contain!important}\n.rl-gm-release a:focus-visible{outline:3px solid #d71920;outline-offset:4px}\n@media(max-width:1000px){.rl-gm-release .gm-cards{grid-template-columns:repeat(2,minmax(0,1fr))}}\n@media(max-width:600px){.rl-gm-release .gm-cards,.rl-gm-release .gm-gallery{grid-template-columns:1fr}}\n<\/style><article class=\"rl-gm-release\"><section class=\"rl-section rl-intro\"><div class=\"rl-section-inner\"><p class=\"rl-kicker\">GM 1500 suspension update<\/p><h2>Big Lift Stance. Refined for Today\u2019s GM Trucks.<\/h2><p class=\"rl-lead\">ReadyLIFT has reengineered its GM 1500 Big Lift lineup, bringing improved steering geometry, enhanced drivetrain compatibility, and Falcon 2.1 rear shocks to supported 2019\u20132024 and 2025\u20132026 Chevrolet Silverado and GMC Sierra 1500 applications.<\/p><p style=\"margin-top:22px;\">From daily driving to weekend adventures, a lifted truck should deliver more than added height. These updated systems combine the aggressive stance and added ground clearance ReadyLIFT owners expect with refinements to steering, drivetrain fitment, and damping performance.<\/p><div class=\"rl-button-row\"><a class=\"rl-button\" href=\"#gm-2025\">Explore 2025\u20132026 Kits<\/a><a class=\"rl-button rl-button-outline\" href=\"#gm-2019\">Explore 2019\u20132024 Kits<\/a><\/div><div class=\"rl-benefit-grid\"><div class=\"rl-benefit\"><strong>Improved turning radius<\/strong><p>Redesigned steering knuckles enhance maneuverability and steering performance.<\/p><\/div><div class=\"rl-benefit\"><strong>Factory Auto 4WD retained<\/strong><p>Keep the functionality of your truck\u2019s factory Auto 4WD system.<\/p><\/div><div class=\"rl-benefit\"><strong>Falcon 2.1 rear shocks<\/strong><p>Premium monotube shock technology brings consistent damping to the updated lineup.<\/p><\/div><\/div><\/div><\/section><section class=\"rl-section rl-dark\"><div class=\"rl-section-inner\"><div class=\"rl-engineered-grid\"><div><p class=\"rl-kicker\">Application-specific engineering<\/p><h2>Reengineered for a Changing Platform<\/h2><p>OEM changes introduced for the 2025 model year, including larger front differentials, prompted ReadyLIFT to revisit its GM 1500 Big Lift systems. The updates address those changes while refining the suspension geometry for supported late-model trucks.<\/p><p>ReadyLIFT also carried key improvements back into 2019\u20132024 applications, creating a more consistent Big Lift offering across both model-year groups.<\/p><ul class=\"rl-shock-list\"><li>Redesigned steering knuckles for improved turning radius<\/li><li>Revised geometry engineered to help prevent driveline vibration<\/li><li>Full retention of factory Auto 4WD functionality<\/li><li>Streamlined fitment and installation across supported applications<\/li><\/ul><\/div><img decoding=\"async\" src=\"https:\/\/www.readylift.com\/blog\/content\/uploads\/2026\/09\/GMC-1500-1-scaled.jpg\" alt=\"GMC Sierra 1500 with ReadyLIFT suspension\" loading=\"lazy\"><\/div><\/div><\/section><section class=\"rl-section \"><div class=\"rl-section-inner\"><p class=\"rl-kicker\">Falcon 2.1 shock technology<\/p><h2>Consistent Control Behind the Stance<\/h2><p class=\"rl-lead\">Falcon 2.1 rear shocks are a key part of the reengineered lineup, pairing ReadyLIFT suspension engineering with a durable monotube damper design.<\/p><div class=\"rl-benefit-grid\"><div class=\"rl-benefit\"><strong>2.3-inch aluminum body<\/strong><p>Increased oil capacity and heat dissipation support consistent damping performance.<\/p><\/div><div class=\"rl-benefit\"><strong>3\/4-inch shaft<\/strong><p>A heavy-duty, induction-hardened, chrome-plated shaft is engineered to resist rock damage, corrosion, and buckling.<\/p><\/div><div class=\"rl-benefit\"><strong>Integrated performance<\/strong><p>Falcon rear shocks complement the updated lift components for a more refined suspension package.<\/p><\/div><\/div><\/div><\/section><section class=\"rl-section rl-product-section\" id=\"gm-2025\"><div class=\"rl-section-inner\"><p class=\"rl-kicker\">Choose your application<\/p><h2>2025\u20132026 Silverado &amp; Sierra 1500 Lift Kits<\/h2><p>Select the kit designed for your truck\u2019s model year and factory suspension. Trail Boss and AT4 applications use kits engineered around their factory 2-inch lift.<\/p><div class=\"gm-cards\"><div class=\"gm-card\"><a href=\"https:\/\/www.readylift.com\/6-6-inch-factory-2-inch-big-lift-kit-with-falcon-2-1-shocks-2025-2026-1500-trail-boss-at4.html\"><img decoding=\"async\" src=\"https:\/\/www.readylift.com\/media\/catalog\/product\/cache\/83efea9cd0652f44328bed04510785ea\/4\/4\/44-35626.jpg\" alt=\"ReadyLIFT 44-35626 6-inch GM 1500 Big Lift Kit with Falcon 2.1 rear shocks\" loading=\"lazy\"><\/a><div class=\"gm-card-copy\"><p class=\"rl-sku\">Part #44-35626<\/p><h3>6-Inch Big Lift Kit<\/h3><p><strong>2025\u20132026 Silverado \/ Sierra 1500 Trail Boss \/ AT4<\/strong><\/p><p>6-inch lift + factory 2-inch lift.<\/p><p>Includes Falcon 2.1 rear shocks.<br><span style=\"color:#505050;\">Replaces 44-35625.<\/span><\/p><a class=\"rl-button\" href=\"https:\/\/www.readylift.com\/6-6-inch-factory-2-inch-big-lift-kit-with-falcon-2-1-shocks-2025-2026-1500-trail-boss-at4.html\">View Kit 44-35626<\/a><\/div><\/div><div class=\"gm-card\"><a href=\"https:\/\/www.readylift.com\/4-4-inch-factory-2-inch-big-lift-kit-with-falcon-2-1-shocks-2025-2026-1500-trail-boss-at4.html\"><img decoding=\"async\" src=\"https:\/\/www.readylift.com\/media\/catalog\/product\/cache\/83efea9cd0652f44328bed04510785ea\/4\/4\/44-35426.jpg\" alt=\"ReadyLIFT 44-35426 4-inch GM 1500 Big Lift Kit with Falcon 2.1 rear shocks\" loading=\"lazy\"><\/a><div class=\"gm-card-copy\"><p class=\"rl-sku\">Part #44-35426<\/p><h3>4-Inch Big Lift Kit<\/h3><p><strong>2025\u20132026 Silverado \/ Sierra 1500 Trail Boss \/ AT4<\/strong><\/p><p>4-inch lift + factory 2-inch lift.<\/p><p>Includes Falcon 2.1 rear shocks.<br><span style=\"color:#505050;\">Replaces 44-35425.<\/span><\/p><a class=\"rl-button\" href=\"https:\/\/www.readylift.com\/4-4-inch-factory-2-inch-big-lift-kit-with-falcon-2-1-shocks-2025-2026-1500-trail-boss-at4.html\">View Kit 44-35426<\/a><\/div><\/div><div class=\"gm-card\"><a href=\"https:\/\/www.readylift.com\/6-lift-kit-gm-silverado-sierra-1500-2025-2026-with-falcon-2-1-monotube-shocks.html\"><img decoding=\"async\" src=\"https:\/\/www.readylift.com\/media\/catalog\/product\/cache\/83efea9cd0652f44328bed04510785ea\/4\/4\/44-35621.jpg\" alt=\"ReadyLIFT 44-35621 6-inch GM 1500 Big Lift Kit with Falcon 2.1 rear shocks\" loading=\"lazy\"><\/a><div class=\"gm-card-copy\"><p class=\"rl-sku\">Part #44-35621<\/p><h3>6-Inch Big Lift Kit<\/h3><p><strong>2025\u20132026 Silverado \/ Sierra 1500<\/strong><\/p><p>Includes Falcon 2.1 rear shocks.<br><span style=\"color:#505050;\">Replaces 44-35620.<\/span><\/p><a class=\"rl-button\" href=\"https:\/\/www.readylift.com\/6-lift-kit-gm-silverado-sierra-1500-2025-2026-with-falcon-2-1-monotube-shocks.html\">View Kit 44-35621<\/a><\/div><\/div><\/div><\/div><\/section><section class=\"rl-section rl-product-section\" id=\"gm-2019\"><div class=\"rl-section-inner\"><p class=\"rl-kicker\">Choose your application<\/p><h2>2019\u20132024 Silverado &amp; Sierra 1500 Lift Kits<\/h2><p>Select the kit designed for your truck\u2019s model year and factory suspension. Trail Boss and AT4 applications use kits engineered around their factory 2-inch lift.<\/p><div class=\"gm-cards\"><div class=\"gm-card\"><a href=\"https:\/\/www.readylift.com\/4-4-inch-factory-2-inch-big-lift-kit-with-falcon-2-1-shocks-2019-2024-1500-trail-boss-at4.html\"><img decoding=\"async\" src=\"https:\/\/www.readylift.com\/media\/catalog\/product\/cache\/83efea9cd0652f44328bed04510785ea\/4\/4\/44-39421.jpg\" alt=\"ReadyLIFT 44-39421 4-inch GM 1500 Big Lift Kit with Falcon 2.1 rear shocks\" loading=\"lazy\"><\/a><div class=\"gm-card-copy\"><p class=\"rl-sku\">Part #44-39421<\/p><h3>4-Inch Big Lift Kit<\/h3><p><strong>2019\u20132024 Silverado \/ Sierra 1500 Trail Boss \/ AT4<\/strong><\/p><p>4-inch lift + factory 2-inch lift.<\/p><p>Includes Falcon 2.1 rear shocks.<br><span style=\"color:#505050;\">Replaces 44-39420.<\/span><\/p><a class=\"rl-button\" href=\"https:\/\/www.readylift.com\/4-4-inch-factory-2-inch-big-lift-kit-with-falcon-2-1-shocks-2019-2024-1500-trail-boss-at4.html\">View Kit 44-39421<\/a><\/div><\/div><div class=\"gm-card\"><a href=\"https:\/\/www.readylift.com\/8-lift-kit-gm-silverado-sierra-1500-2019-2022-with-falcon-2-1-monotube-shocks.html\"><img decoding=\"async\" src=\"https:\/\/www.readylift.com\/media\/catalog\/product\/cache\/83efea9cd0652f44328bed04510785ea\/4\/4\/44-39806.jpg\" alt=\"ReadyLIFT 44-39806 8-inch GM 1500 Big Lift Kit with Falcon 2.1 rear shocks\" loading=\"lazy\"><\/a><div class=\"gm-card-copy\"><p class=\"rl-sku\">Part #44-39806<\/p><h3>8-Inch Big Lift Kit<\/h3><p><strong>2019\u20132024 Silverado \/ Sierra 1500<\/strong><\/p><p>Includes Falcon 2.1 rear shocks.<br><span style=\"color:#505050;\">Replaces 44-39805.<\/span><\/p><a class=\"rl-button\" href=\"https:\/\/www.readylift.com\/8-lift-kit-gm-silverado-sierra-1500-2019-2022-with-falcon-2-1-monotube-shocks.html\">View Kit 44-39806<\/a><\/div><\/div><div class=\"gm-card\"><a href=\"https:\/\/www.readylift.com\/6-lift-kit-gm-silverado-sierra-1500-2019-2024-with-falcon-2-1-monotube-shocks.html\"><img decoding=\"async\" src=\"https:\/\/www.readylift.com\/media\/catalog\/product\/cache\/83efea9cd0652f44328bed04510785ea\/4\/4\/44-39606.jpg\" alt=\"ReadyLIFT 44-39606 6-inch GM 1500 Big Lift Kit with Falcon 2.1 rear shocks\" loading=\"lazy\"><\/a><div class=\"gm-card-copy\"><p class=\"rl-sku\">Part #44-39606<\/p><h3>6-Inch Big Lift Kit<\/h3><p><strong>2019\u20132024 Silverado \/ Sierra 1500<\/strong><\/p><p>Includes Falcon 2.1 rear shocks.<br><span style=\"color:#505050;\">Replaces 44-39605.<\/span><\/p><a class=\"rl-button\" href=\"https:\/\/www.readylift.com\/6-lift-kit-gm-silverado-sierra-1500-2019-2024-with-falcon-2-1-monotube-shocks.html\">View Kit 44-39606<\/a><\/div><\/div><div class=\"gm-card\"><a href=\"https:\/\/www.readylift.com\/6-6-inch-factory-2-inch-big-lift-kit-with-2-1-falcon-shocks-2019-2024-1500-trail-boss-at4.html\"><img decoding=\"async\" src=\"https:\/\/www.readylift.com\/media\/catalog\/product\/cache\/83efea9cd0652f44328bed04510785ea\/4\/4\/44-39621.jpg\" alt=\"ReadyLIFT 44-39621 6-inch GM 1500 Big Lift Kit with Falcon 2.1 rear shocks\" loading=\"lazy\"><\/a><div class=\"gm-card-copy\"><p class=\"rl-sku\">Part #44-39621<\/p><h3>6-Inch Big Lift Kit<\/h3><p><strong>2019\u20132024 Silverado \/ Sierra 1500 Trail Boss \/ AT4<\/strong><\/p><p>6-inch lift + factory 2-inch lift.<\/p><p>Includes Falcon 2.1 rear shocks.<br><span style=\"color:#505050;\">Replaces 44-39620.<\/span><\/p><a class=\"rl-button\" href=\"https:\/\/www.readylift.com\/6-6-inch-factory-2-inch-big-lift-kit-with-2-1-falcon-shocks-2019-2024-1500-trail-boss-at4.html\">View Kit 44-39621<\/a><\/div><\/div><\/div><\/div><\/section><section class=\"rl-section \"><div class=\"rl-section-inner\"><div class=\"rl-engineered-grid\"><div><p class=\"rl-kicker\">Match the kit to your truck<\/p><h2>Standard Suspension or Trail Boss \/ AT4?<\/h2><p>Factory suspension configuration matters. Trail Boss and AT4 models start with a factory 2-inch lift, and the kits listed for those applications add the specified lift to that factory height.<\/p><p>For example, a 4-inch Trail Boss \/ AT4 kit is identified as a 4-inch lift plus the factory 2-inch lift. A 6-inch Trail Boss \/ AT4 kit is identified as a 6-inch lift plus the factory 2-inch lift.<\/p><p>Use the individual product pages to confirm the correct application and review wheel, tire, and installation requirements before ordering.<\/p><\/div><img decoding=\"async\" src=\"https:\/\/www.readylift.com\/blog\/content\/uploads\/2026\/09\/GMC-1500-2-scaled.jpg\" alt=\"Supporting ReadyLIFT GM 1500 suspension and vehicle image\" loading=\"lazy\"><\/div><\/div><\/section><section class=\"rl-section rl-gallery\"><div class=\"rl-section-inner\"><p class=\"rl-kicker\">Chevrolet Silverado &amp; GMC Sierra<\/p><h2>The GM 1500 Big Lift Look<\/h2><p class=\"rl-lead\">A more commanding profile, added ground clearance, and refined suspension engineering bring the updated lineup together.<\/p><div class=\"gm-gallery\"><figure><img decoding=\"async\" src=\"https:\/\/www.readylift.com\/blog\/content\/uploads\/2026\/09\/GMC-1500-scaled.jpg\" alt=\"GMC Sierra 1500 with a lifted stance\" loading=\"lazy\"><figcaption>ReadyLIFT GM 1500 suspension<\/figcaption><\/figure><figure><img decoding=\"async\" src=\"https:\/\/www.readylift.com\/blog\/content\/uploads\/2026\/09\/chevy-silverado-6-inch-lift-kit-1100-v2.jpg\" alt=\"Chevrolet Silverado with a ReadyLIFT 6-inch lift kit\" loading=\"lazy\"><figcaption>Chevrolet Silverado with a 6-inch lift<\/figcaption><\/figure><\/div><\/div><\/section><section class=\"rl-section rl-final-cta\"><div class=\"rl-section-inner\"><p class=\"rl-kicker\">Plan your build<\/p><h2>Find the Right Big Lift for Your GM 1500<\/h2><p>Explore the reengineered lineup and choose the ReadyLIFT system built for your Silverado or Sierra. Each product page includes the application details you need to plan your suspension upgrade.<\/p><div class=\"rl-button-row\" style=\"justify-content:center;\"><a class=\"rl-button\" href=\"#gm-2025\">Shop 2025\u20132026 Kits<\/a><a class=\"rl-button rl-button-outline\" href=\"#gm-2019\">Shop 2019\u20132024 Kits<\/a><\/div><\/div><\/section><\/article>\n","protected":false},"excerpt":{"rendered":"<p>GM 1500 suspension update Big Lift Stance. Refined for Today\u2019s GM Trucks. ReadyLIFT has reengineered its GM 1500 Big Lift lineup, bringing improved steering geometry,<a class=\"read-more\" href=\"https:\/\/www.readylift.com\/blog\/2026\/10\/01\/readylift-introduces-reengineered-6-inch-and-8-inch-big-lift-kits-for-gm-1500-trucks\/\">Read More<\/a><\/p>\n","protected":false},"author":6,"featured_media":6507,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9,10,340],"tags":[430,741,647,219,251,298],"class_list":["post-6508","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-press-release","category-products","tag-6-lift-kits","tag-chevy-1500-lifted","tag-gmc-1500-lifted","tag-offroad-suspension","tag-readylift","tag-suspension"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.readylift.com\/blog\/wp-json\/wp\/v2\/posts\/6508","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.readylift.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.readylift.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.readylift.com\/blog\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.readylift.com\/blog\/wp-json\/wp\/v2\/comments?post=6508"}],"version-history":[{"count":2,"href":"https:\/\/www.readylift.com\/blog\/wp-json\/wp\/v2\/posts\/6508\/revisions"}],"predecessor-version":[{"id":6515,"href":"https:\/\/www.readylift.com\/blog\/wp-json\/wp\/v2\/posts\/6508\/revisions\/6515"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.readylift.com\/blog\/wp-json\/wp\/v2\/media\/6507"}],"wp:attachment":[{"href":"https:\/\/www.readylift.com\/blog\/wp-json\/wp\/v2\/media?parent=6508"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.readylift.com\/blog\/wp-json\/wp\/v2\/categories?post=6508"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.readylift.com\/blog\/wp-json\/wp\/v2\/tags?post=6508"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}