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The Mishimoto 42mm aluminum CNC coolant fill neck is a machined fill neck intended for custom radiators and fabrication projects. CNC-machined and ready to be welded into a custom radiator, it accepts Mishimoto radiator caps and includes a screw-in overflow nipple. It’s sized for a large 42mm cap opening and designed for straightforward integration into custom cooling setups.
Mishimoto 42mm Aluminum CNC Fill Neck
