Stainless Steel Complete Coolant Crossover Steam Vent Kit Parts For LS1 LS2 LS3

Stainless Steel Complete Coolant Crossover Steam Vent Kit for LS1 LS2 LS3

This stainless steel complete coolant crossover steam vent kit replaces the factory steam tube assembly on LS series engines and routes coolant vapor away from the cylinder heads to prevent air pockets and hot spots.

Overview

This coolant crossover steam vent kit is a direct replacement for the original steam port tube found on LS1, LS2, and LS3 engines and helps bleed trapped air from the cooling system. The kit is built for engine builders, swap projects, and anyone refreshing a high mileage LS powerplant. Constructed from stainless steel, this coolant crossover steam vent kit resists corrosion far better than the factory steel tube.

Built For Performance

• Stainless steel construction resists rust and corrosion better than the factory tube
• Complete kit includes the crossover tube and vent hardware needed for installation
• Direct replacement design for the original steam vent assembly
• Routes coolant vapor away from the cylinder heads to reduce trapped air
• Compatible with LS1, LS2, and LS3 engine platforms

Fits These Machines

• for LS1 equipped vehicles
• for LS2 equipped vehicles
• for LS3 equipped vehicles

On-The-Job Use

• Engine swap projects moving an LS into a different chassis
• Cooling system rebuilds on high mileage LS engines
• Steam vent tube replacement when the factory part rusts through
• Performance builds needing dependable coolant bleed hardware

Specs At A Glance

Good To Know

Q: Does this kit come with everything needed for installation? A: The kit is a complete crossover steam vent assembly, though you should check your engine bay for any additional clamps or fittings your setup requires.

Q: Will this fit any LS engine? A: This kit is designed for LS1, LS2, and LS3 platforms, so confirm your engine code and coolant routing before ordering.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.