Safely and securely connect hoses through firewalls with an HPS Bulkhead Adapter. Made from 6061 aluminum and anodized in black for a durable, corrosion-resistant finish. Compatible with HPS 150, 250, and 350 series fittings and suitable for transporting air, water, coolant, oil, and fuel.

Key Features
- Safely pass lines through firewalls and body panels.
- Jam nut sold separately (required).
- Available in sizes from -3 up to -12.
- 6061 aluminum with Type II black anodizing for excellent corrosion resistance.
- Compatible with water, coolant, air, oil, and most fuels.