LS Steam Tube Kit w/Black Push-On Hose, Black Aluminum Hose Ends & Adjustable Steam Vent Adapters for the Front Outlets on the Engine Steam Vent Adapters & kits. They are designed to eliminate trapped air and steam from your engine to prevent hot spots or overheating. The complete kits are available to plumb your LS engine and include the appropriate hose and hose ends to make installation a breeze. These kits are more attractive than the OEM rigid hard lines and provide flexibility when using aftermarket intakes and other accessories on performance vehicles. Features: Eliminates trapped air, hot spots, and overheating Custom look for LS engines - More attractive than OEM hard lines Adjustable pivoting steam vent adapters Complete kits w/black push-on or stainless braided speed-flex hose & hose ends Available in front or four corner plumbing options Adapter Type LS Steam Tube Vent Adapter Brand Holley Category Belts and Cooling Emission Code 5 Finish Black Hose Size 4 AN Material Aluminum / Rubber Part Type Engine Coolant Crossover Pipe Kit Product Type LS Steam Tube Vent Adapter Sub Category Hoses and Pipes UPC 090127738030 Part Number 26-550