Swivel Water Neck 75 Deg Polished

The Swivel Water Neck 75 Deg Polished from ALLSTAR PERFORMANCE (ALL 30173) is a precision cooling system component engineered for Chevy V8 engines. This polished aluminum water neck features a 75-degree orientation with a 1-1/2 inch ID hose connection, designed to optimize coolant flow routing from the engine block to the radiator inlet. The swivel design allows for flexible hose positioning during installation and service, eliminating unnecessary strain on cooling lines while maintaining a sealed, leak-free connection.

Construction from aluminum delivers a weight-conscious solution without sacrificing durability or corrosion resistance. The polished finish provides both aesthetic appeal and practical corrosion protection, critical in engine bay environments where coolant contact and temperature cycling accelerate degradation. An integrated O-ring ensures a secure seal at the hose interface, while included hardware simplifies installation. The 75-degree angle positions the water neck outlet for direct, efficient flow characteristics—a specification that prevents coolant turbulence and pressure drops common in poorly angled fittings.

This water neck serves engine builders, restoration specialists, and performance enthusiasts working with small-block and big-block Chevy V8 platforms. Original equipment water necks often fail due to corrosion, casting porosity, or incompatible hose routing in custom engine bay layouts. The ALLSTAR swivel design accommodates non-stock radiator positions, header configurations, and custom coolant distribution systems common in hot rods, race engines, and restorations. For any builder requiring reliable coolant inlet routing without compromise, this polished aluminum neck with O-ring seal and swivel geometry is a proven choice.