1/4NPT to 5/16in Hard Line Adapter

If you’re fitting 5/16in OD hard fuel line into a 1/4NPT fuel block, this is what you need – perfect to get the fuel into our 9146-BIG Chevy 3×2 fuel line – with a 9181K plug at the other end, or a 9178K/9179K elbow and bush for your fuel pressure gauge.