"1/2"" NPT steel weld bung"

"1/2"" NPT steel weld bung" is a genuine ARP high performance fastener supplied for professional engine and drivetrain builds.

This part is listed under ARP code 800-8203 and is supplied here individually by Billy’s Speed Shop for the UK and European market. It is intended for customers who require consistent clamp load, repeatable torque values and improved reliability compared with generic hardware.

Typical use for this component falls within the Engine Fastener family, covering performance engines that see regular high load, elevated RPM or competition use. It is suitable for serious street builds, track cars and drag racing projects where hardware is expected to cope with repeated strip and assembly cycles.

As an authorised ARP reseller, Billy’s Speed Shop sources parts through recognised distribution, so you receive authentic hardware with correct markings, packaging and specification. If you are planning a complete engine or transmission package and want a matched fastener set, contact us with your build details and we can help specify the correct combination of ARP components for your application.