Vibrant Performance 16664 M16 x 1.5 Metric Port Plug with Allen Head

The Vibrant Performance 16664 Metric Port Plug is designed to securely seal an M16 x 1.5 threaded port in automotive, motorsport, fabrication, and fluid-system applications. Its compact plug design provides a clean, reliable closure for unused or serviceable ports while maintaining a professional finished appearance.
Constructed from lightweight aluminum, this port plug is finished with a black anodized coating for improved surface durability and corrosion resistance. The integrated Allen head allows for straightforward installation and removal with a compatible hex key, making it practical for tight-access locations where conventional external-head fittings may be difficult to use. The precision metric thread is designed for proper engagement with matching M16 x 1.5 ports.
Use the Vibrant Performance 16664 when a dependable metric port closure is needed for custom plumbing, engine components, intake systems, or other compatible assemblies. Verify thread size, pitch, sealing method, and application requirements before installation. This fitting is sold individually and is not classified as air restricted or truck freight only.

Features:

• Brand: Vibrant Performance

• Part Number: 16664

• Fitting Type: Metric port plug

• Thread Size: M16 x 1.5

• Head Style: Internal Allen head

• Material: Aluminum

• Finish: Black anodized

• Application: Seals compatible metric threaded ports

• Air Restricted: No

• Truck Freight Only: No