Description
A properly sealed firewall penetration is critical for maintaining engine bay integrity and protecting electrical harnesses from heat damage, moisture, and contaminants. This blank grommet gives you the flexibility to customize your installation for dual cable or wire routing while maintaining a professional, weathertight seal. Whether you’re building a custom harness, installing forced induction components, or running additional sensors, this aluminum-rubber composite grommet delivers reliable protection in high-heat environments.
- 5.250″ outer diameter
- 1.50″ hole spacing
- 3″ depth
- Aluminum and rubber construction
- Black finish
- Blank (customizable)
- Sold individually






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