Vibrant Weld On Radiator Filler Neck ID

The Vibrant Performance Weld On Radiator Filler Neck (also called a radiator filler neck or coolant fill neck) is for building custom radiators, coolant tanks and cooling system fabrication projects. It suits sport compact and domestic builds, street cars and race cars, and bolt-on or fully custom setups.

Key Features:

• CNC-machined 6061 aluminum alloy construction for durability and a clean billet look
• Weld-on design for a permanent, leak-resistant installation on custom radiators and tanks
• Barbed nipple included for plumbing to an expansion or overflow tank
• Matches Vibrant high-pressure aluminum radiator caps, sold separately, for a snug seal
• Universal application for custom fabrication
• Offered in two inlet sizes to suit different radiator and tank designs

Vibrant Performance has designed and built performance exhaust, induction and plumbing components since 1997. This filler neck brings the same focus on quality and reliability to your cooling system. Choose the size that matches your radiator cap and application.