Specifications:
Material: 6061-T6 aluminum alloy
Thread Size: 3/8-18 NPT female
Features:
- These NPT weld bungs are perfect to be used with aluminum valve covers, radiators, oil pans, fuel cells, intercooler pipings, intake manifolds, overflow tanks or any other project that would require NPT fitting connections
- Stepped on weld end to assist mounting
- Compatible with most fluids

Notice: Professional installation is highly recommended! (No instructions included)