{"product_id":"pqy-ls-coolant-crossover-steam-vent-kit-an4-4-corner-steam-port-kit-for-ls-engines-6-0-5-3-silver","title":"PQY LS Coolant Crossover Steam Vent Kit AN4 – 4 Corner Steam Port Kit for LS Engines (6.0\/5.3) – Silver","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe PQY LS coolant crossover steam vent kit brings together a rugged stainless steel AN4 fuel brake line with precision aluminum fittings to create a dependable path for steam and pressure to vent from your cooling system. The tapered thread design helps minimize leaks, while the overall layout supports clean, under‑hood routing for a concise retrofit.\u003c\/p\u003e\u003ch2\u003eUniversal LS Compatibility\u003c\/h2\u003e\u003cp\u003eDesigned for LS engines across the family, this 4 corner kit is compatible with LS1, LS2, LS3, LS6, LS7, LS9 and LSX platforms. Before purchasing, verify the vent line size on your setup to ensure a proper fit and optimal operation.\u003c\/p\u003e\u003ch2\u003eWhat this kit can do for your build\u003c\/h2\u003e\u003cp\u003eThis kit is crafted to help vent steam and relieve system pressure as intended, supporting reliable cooling system operation without requiring a full traditional hard line crossover in all applications. It serves as a solid replacement option for select 5.3 and 6.0 steam port configurations, offering a complete four‑corner approach that suits a variety of LS engines.\u003c\/p\u003e\u003ch2\u003eKit contents\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e5x center manifold\u003c\/li\u003e\n\u003cli\u003e1x corner manifold ports machined\u003c\/li\u003e\n\u003cli\u003e4x couplers\u003c\/li\u003e\n\u003cli\u003e9x end fittings\u003c\/li\u003e\n\u003cli\u003e4x lag spikes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation tips and safety\u003c\/h2\u003e\u003cp\u003eInstall the kit when the engine is cool to avoid handling hot fluids. The design does not require clearance under the intake for a traditional hard line steam kit crossover in some setups, so plan routing accordingly. If any fittings arrive without threads, contact support for assistance.\u003c\/p\u003e\u003ch2\u003eReal-world use and considerations\u003c\/h2\u003e\u003cp\u003eUsers may notice a more streamlined under‑hood appearance with a dedicated vent path. This kit emphasizes robust materials, a modular layout, and versatility across LS engine models, offering potential improvements to how steam and pressure are managed in the cooling loop without asserting guaranteed outcomes.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the PQY LS coolant crossover kit compatible with all LS engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The kit is designed for LS1, LS2, LS3, LS6, LS7, LS9, and LSX engines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What does the package include and are there installation notes?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Includes 5 center manifolds, 1 corner manifold, 4 couplers, 9 end fittings, 4 lag spikes; install when the engine is cool and verify thread integrity.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"PQY","offers":[{"title":"Default Title","offer_id":42470330564693,"sku":"B0BVVJ4VX2","price":48.7,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/pqy-ls-coolant-crossover-center-manifold.jpg?v=1778129718","url":"https:\/\/plentytorque.co.uk\/products\/pqy-ls-coolant-crossover-steam-vent-kit-an4-4-corner-steam-port-kit-for-ls-engines-6-0-5-3-silver","provider":"PlentyTorque","version":"1.0","type":"link"}