ASD Fuel or Transmission Line Unions For 5/16" Tube (1/2" - 20 Thread, Inverted Flare) (Pack of 5)

Auto Supplies Direct Pack of 5 5/16" Standard Inverted Flare Unions are used in automotive purposes to join to pieces of brake, fuel, or transmission line together with the addition of two tube nuts. One example where you may need a brake line union is when running a long line from a dual master cylinder to the rear axle. It is important to match the thread and flare of the union and tube nut to ensure a leak-proof connection. These unions are for use with our "ASD 5/16" Tube Nuts (1/2" - 20) Inverted Flare, Pack of 5" and any 5/16" fuel or transmission line you choose. Will work with steel, Poly Armour, and NiCopp. Auto Supplies Direct fully stands behind the quality of all their products, therefor, we offer a full money back guarantee if you are not fully satisfied with your purchase. High Flow 5/16" Standard Inverted Flare Unions Pack of 5 For use with 5/16" Steel, Poly Coated or Copper Tubing Commonly Used Inverted Flare Unions 1/2" - 20 Thread, Inverted Flare Strong Material That Will Last Auto Supplies Direct Satisfaction Guarantee