Description
A properly sealed firewall penetration is non-negotiable for any serious build—it keeps heat, fumes, and contaminants out of your cabin while maintaining structural integrity. This split grommet design allows you to route wiring, brake lines, or fuel lines through your firewall without drilling additional holes or compromising factory sealing. Whether you’re running a custom harness or fuel system upgrade, this blank aluminum-and-rubber grommet provides a clean, professional solution that won’t degrade under engine bay temperatures.
- 4.5 in outer diameter
- Single split hole design
- Aluminum / rubber construction
- Black finish
- Flat profile
- Blank (no pre-drilled openings)
- Sold individually
- Firewall-ready fitment
