Vibrant M16 x 1.5 Metric Port Plug – Aluminum w/ Crush Washer (16664)

The Vibrant Performance Metric Port Plug is designed to securely seal unused M16 x 1.5 threaded ports in oiling systems, fuel rails, coolant passages, and other performance plumbing applications.
Machined from lightweight aluminum and finished in a stealth black anodize, it offers excellent corrosion resistance while maintaining a clean appearance in the engine bay.

Includes a crush washer to ensure a leak-free seal — ideal for boosted vehicles and high-pressure systems.

Specifications:

• Thread Size: M16 x 1.5 (Metric)

• Material: Aluminum

• Finish: Black anodized

• Seal Type: Crush washer included

• Ideal for oil, coolant, and fuel passage sealing

• Compact low-profile design

• SKU / Part #: 16664

• Brand: Vibrant Performance