{"id":625,"date":"2024-12-03T22:48:33","date_gmt":"2024-12-04T06:48:33","guid":{"rendered":"https:\/\/solidshocks.com\/?post_type=product&#038;p=625"},"modified":"2026-05-15T15:18:22","modified_gmt":"2026-05-15T22:18:22","slug":"2-5-bypass","status":"publish","type":"product","link":"https:\/\/solidshocks.com\/product\/2-5-bypass\/","title":{"rendered":"4.0&#8243; External Bypass"},"content":{"rendered":"<h2>4.0&#8243; External Bypass Shock \u2014 Free Bleed Technology<\/h2>\n<p>The Solid Shocks Co. <strong>4.0&#8243; External Bypass shock<\/strong> is the most capable, most adjustable shock in our lineup. Built around our proprietary <em>Free Bleed<\/em> monotube design with a larger 4.0&#8243; body \u2014 engineered for heavy trophy trucks, class-1 buggies, and serious desert racing where consistent performance under maximum abuse is non-negotiable.<\/p>\n<h2>Free Bleed Monotube Design<\/h2>\n<ul>\n<li>Single-tube external bypass flows more fluid than competing multi-tube designs \u2014 smoother ride, easier tuning, fewer points of failure. <em>(Note: 4.0&#8243; shocks in 18&#8243; and 20&#8243; lengths use a dual-tube layout due to size.)<\/em><\/li>\n<li>High-flow piston with reduced bleed delivers stronger progressive bump zones and unmatched bottom-out resistance.<\/li>\n<li>Adjustable bypass tubes let you dial compression and rebound zones independently \u2014 terrain-specific tuning without changing shocks.<\/li>\n<\/ul>\n<h2>Built for Big-Bore Performance<\/h2>\n<ul>\n<li><strong>4.0&#8243; CNC-machined, zinc-coated steel body<\/strong> handles heavy chassis weight and big landings without flex or fade.<\/li>\n<li><strong>Induction-hardened, chrome-plated shaft<\/strong> resists pitting, wear, and contamination over thousands of cycles.<\/li>\n<li><strong>Large external reservoir<\/strong> with increased oil capacity delivers superior cooling and consistent damping in punishing conditions.<\/li>\n<li>Single-tube design allows a larger cylinder diameter in tight applications \u2014 often eliminating the need for a hydraulic bump stop.<\/li>\n<\/ul>\n<h2>Race-Tested, Fully Supported<\/h2>\n<ul>\n<li>Race-proven performance in desert racing, rock crawling, and high-speed off-road events.<\/li>\n<li>Fully rebuildable to extend lifespan and restore peak performance \u2014 see the <a href=\"https:\/\/solidshocks.com\/product\/2-0-bypass-rebuild-kit\/\">4.0&#8243; Bypass Rebuild Kit<\/a>.<\/li>\n<li>Parts and service support with replacement components in stock at our Temecula, CA shop.<\/li>\n<li>Built-to-spec layouts with custom lengths, valving, tube configurations, and reservoir mounting.<\/li>\n<\/ul>\n<h2>Custom Built To Spec \u2014 Starting at $1,675<\/h2>\n<p>Every 4.0&#8243; External Bypass is custom built to order. Tell us your vehicle, weight, suspension geometry, and where you ride \u2014 we&#8217;ll spec the valving, bleed ports, and tube configuration for your exact application. Call <strong>(714) 265-1450<\/strong> or <a href=\"https:\/\/solidshocks.com\/contact-us\/\">contact us<\/a> for a build quote.<\/p>\n<p><em>Step down to a <a href=\"https:\/\/solidshocks.com\/product\/bypass\/\">3.0&#8243; External Bypass<\/a> for lighter builds, or compare against our <a href=\"https:\/\/solidshocks.com\/product\/4-0-coilover\/\">4.0&#8243; Coilover<\/a> and <a href=\"https:\/\/solidshocks.com\/product\/4-0-smooth-body-shock\/\">4.0&#8243; Internal Bypass<\/a>.<\/em><\/p>\n<p><strong>Shocks are sold individually. Custom tuning included on every build.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Solid Shocks Co. <strong>4.0&#8243; External Bypass<\/strong> is our most capable, most adjustable shock \u2014 built around proprietary <em>Free Bleed<\/em> monotube technology. Engineered for trophy trucks, class-1 buggies, and serious desert racing. <em>Custom built to order. Shocks are sold individually.<\/em><\/p>\n","protected":false},"featured_media":1010,"template":"","meta":[],"product_brand":[],"product_cat":[22],"product_tag":[],"class_list":["post-625","product","type-product","status-publish","has-post-thumbnail","product_cat-external-bypass","first","onbackorder","taxable","shipping-taxable","purchasable","product-type-variable"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>4.0&quot; External Bypass Shock | Free Bleed Technology | Solid Shocks Co.<\/title>\n<meta name=\"description\" content=\"The Solid Shocks Co. 4.0&quot; external bypass shock features Free Bleed monotube technology for maximum adjustability. Custom built to order from $1,675. 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