Mr. Gasket 1559 Chrome Plated Fuel Line with Pressure Gauge Dresses up any engine bay and gives you that show car look for a bargain price Ideal for Holley 4150 carburetors Features dual .375 inch chromed steel fuel lines Incorporates a small easy to read 1.5 inch fuel pressure gauge that reads in half pound increments and has a range of 0 to 15 pounds Backed by a limited lifetime warranty