Moroso Chevrolet Big Block/Small Block Water Outlet Filler Neck - 1.5in Hose w/O-Ring - Aluminum

If you're working on a Chevrolet Big Block or Small Block engine and need a reliable way to fill your cooling system, this water outlet filler neck from Moroso is a solid choice. It's designed to replace your stock filler neck, making it easier to add coolant and check your system's level. The 1.5-inch hose connection ensures a good fit for most common radiator hoses used on these classic Chevy V8s.

This filler neck is made from aluminum, which is lighter than the cast iron or steel often found on stock parts. It comes with an O-ring to help create a good seal against the engine block, preventing leaks and ensuring your cooling system stays pressurized. Moroso is known for making well-built parts for performance applications, and this filler neck is no exception. It’s a straightforward part that does its job well, helping you keep your engine running cool.