CPC Fuel Line Couplings

Tubing Size: 5/16″ ID Metric Eq.: 7.9 mm ID Fuel Line Body

Tubing Size: 3/8″ ID Metric Eq.: 9.5 mm ID Fuel Line Insert

Thread Size: 1/4″ BSPT Fuel Line Body

Fuel Line Insert Tubing Size: 1/4″ ID Metric Eq.: 6.4 mm ID