Stainless Coolant Crossover Steam Vent Kit for LS1 LS2 LS3 LS6 LS7 LS9 LSX

Stainless Coolant Crossover Steam Vent Kit for LS1 LS2 LS3 LS6 LS7 LS9 LSX

This Stainless Coolant Crossover Steam Vent Kit is designed to relieve pressure and steam buildup in LS-series engines by providing a reliable vent path from the cooling system. Built with a stainless AN4 fuel line pipe and aluminum steam vent fittings, the kit is crafted to withstand the heat and harsh conditions under the hood while maintaining a secure, leak-resistant connection thanks to tapered threads.

Compatible across LS1, LS2, LS3, LS6, LS7, LS9, and LSX engines, this kit offers a universal approach to steam venting where traditional hard-line setups aren’t feasible. It can be a great upgrade or replacement for 5.3L and 6.0L LS steam vent configurations. Please check the size of the LS steam vent line kit before purchase to ensure a proper fit.

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Benefits & Tips

• Reduces cooling system pressure by providing an efficient steam vent path, helping to prevent overheating and boil-over.
• Sturdy construction: stainless steel AN4 line with aluminum fittings minimizes corrosion and ensures durable performance in demanding engine bays.
• Use as a versatile upgrade when traditional hard-line steam kits don’t have clearance under the intake; install when the engine is cool to avoid hazards.

Product specifications

• Brand Name: NONE
• Choice: yes
• Country/Region of Manufacture: CHINA
• Item Weight: 0.5
• Manufacturer Part Number: XFL06
• Material: Stainless (AN4 stainless steel fuel line) with aluminum fittings
• Origin: Mainland China
• Placement on Vehicle: FRONT
• Compatible engines: LS1, LS2, LS3, LS6, LS7, LS9, LSX
• Highlighted features: LS Stainless Steam Vent Kit; tapered-thread fittings designed to minimize leaks
• Includes note: Please check the size of the LS steam vent line kit before purchase
• Usage tip: Install when the engine is not hot to avoid safety hazards from hot fluids
• Special consideration: Does not have clearance under the intake to run a traditional hard line steam kit coolant crossover setup

Package includes:

• 5x Center manifold
• 1x Corner manifold ports machines
• 4x Coupler
• 9x End fittings
• 4x Lag spike

Warnings / Reminders

• Install the kit only when the engine is cool to prevent burns from hot fluids.
• Verify compatibility by checking engine size before purchase.
• Note that this kit does not clear under the intake for a traditional hard-line steam kit setup.