Description
A quality firewall grommet is essential for protecting wiring and hydraulic lines that pass through your firewall—preventing abrasion, moisture intrusion, and electrical shorts that can sideline your build. This 4-inch blank grommet gives you the flexibility to customize your own feed-through holes for engine bay wiring, fuel lines, or brake lines while maintaining a clean, professional appearance. The aluminum and rubber construction handles thermal cycling and vibration without degradation, making it a reliable choice for street cars and race applications alike.
- 4.00 inch OD
- 1 hole design
- Aluminum / rubber construction
- Black finish
- Blank (customizable)
- Sold individually






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