Description
A reliable radiator filler neck is critical to maintaining proper coolant flow and system integrity under high-performance conditions. This aluminum construction provides lightweight durability while the weld-on design offers a permanent, secure connection for custom cooling systems. Whether you’re building a race engine or upgrading your custom project, this universal filler neck eliminates weak points in your cooling system.
- Aluminum construction
- Weld-on attachment
- Cap-style opening
- Universal fitment
- MPN: Z17606
- Professional installation required






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