638 SERIES NPT HEX PIPE PLUG

Hyperflow 638 Series NPT Hex Pipe Plug fittings

These are an excellent choice for the Racer, Hot Rod, Muscle Car & Boat enthusiast for use in all fuel systems, cooling systems, vacuum applications and oiling systems. Hyperflow fittings are made from 6061 T-6 aluminum and provide superior thread strength for smooth assembly. Hyperflow's Billet CNC design provides a greater holding area for greater strength and easier assembly. Hyperflows corrosion resistant, color consistent, double anodizing adds the final touch of quality and protection you have come to expect from Hyperflow Performance Products. 

Works best with Hyperflow 798 Series Thread Sealer for best results. 

Note: Pipe thread sealer must be used on all NPT threads.