Earl's Performance 593204ERL 3/8" NPT Aluminum Internal Hex Plugs (Pair)

The Earl's Performance 593204ERL aluminum NPT internal hex plugs provide a professional, leak-free solution for sealing unused NPT ports in fuel systems, oil lines, brake systems, and custom plumbing applications. These precision-machined plugs feature a 3/8" NPT thread size and utilize an internal hex design for easy installation and removal with a standard Allen wrench.

Key Features:

• 3/8" NPT male thread for standard pipe fittings
• Lightweight aluminum construction with blue anodized finish
• Internal hex socket design for clean, professional appearance
• Corrosion-resistant anodized coating protects against the elements
• Made in the USA with Earl's legendary quality standards
• Sold as a pair (2 plugs included)

These versatile plugs are ideal for blocking off unused ports on fuel rails, oil pans, brake calipers, intake manifolds, cylinder heads, and anywhere a 3/8" NPT port needs to be sealed. The blue anodized finish adds a distinctive look to any performance engine bay or racing application while providing excellent durability.