Vibrant Performance Metric Port Plug M18 x 1.5 Allen Head Aluminum Black Anodized, Part 16665

The Vibrant Performance Metric Port Plug, Part 16665, is designed to securely close an unused M18 x 1.5 threaded port in automotive, motorsport, and custom fabrication applications. Its precision-machined aluminum construction provides a lightweight solution for sealing compatible metric ports while maintaining a clean, professional appearance.
The internal Allen head allows for straightforward installation and removal with a suitable hex key, making the plug practical for tight-access areas where conventional external-head hardware may be difficult to use. The black anodized finish adds surface protection and complements a wide range of engine bay, intake, fuel, oil, and fluid-system components.
Use this Vibrant Performance port plug for applications requiring a dependable M18 x 1.5 thread closure. 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:

• Thread Size: M18 x 1.5 metric thread for compatible ports

• Fitting Type: Metric port plug for closing unused threaded openings

• Head Style: Internal Allen head supports installation in confined spaces

• Material: Lightweight aluminum construction

• Finish: Black anodized surface for added protection and a clean appearance

• Brand: Vibrant Performance

• Part Number: 16665

• Package Quantity: Sold individually