Description
The Mishimoto 42mm Aluminum CNC Fill Neck is an essential component for custom aluminum radiator projects. Crafted from high-quality CNC machined aluminum, this large fill neck provides a durable and precise fitting solution for your cooling system modifications. Designed to be welded onto custom radiators, it ensures a secure and reliable connection for coolant filling and overflow management. Compatible with Mishimoto radiator caps, this fill neck offers seamless integration into your existing cooling setup, making it ideal for performance upgrades and custom builds. The inclusion of a screw-in nipple facilitates overflow control, contributing to optimal radiator performance and safety. Whether you’re constructing a custom radiator or upgrading an existing one, this CNC machined aluminum fill neck delivers the durability and precision necessary for serious automotive applications.
Features:
- Universal fitment compatible with Mishimoto radiator caps
- CNC machined aluminum construction for durability and precision
- Large 42mm diameter for efficient coolant filling
- Ready to be welded onto custom radiators
- Includes screw-in nipple for overflow control
























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