Chevy 90 Degree Pivoting Alum Water Neck & 180 Deg Thermostat

Water Neck

Pivoting water neck is die-cast, polished aluminum. The O-ring sealed water neck rises at a 90° angle and can be rotated for best possible radiator hose access. Fits all Chevy V8's 1955-86, and accepts normal GM thermostats and 1-1/2" I.D. hoses. Includes hardware.

Bolt hole dimension is approximately 3-1/4" center to center. 

 

Thermostat

Speedway takes a quality Robertshaw 330-180 high flow 180° thermostat, then modifies it to function properly in high RPM, high flow applications. They feature a balanced sleeve design and are strongly recommended for any performance application. Fits most domestic applications.

• 2-1/8" diameter 
• High flow 180° thermostat
• Balanced sleeve design
• Recommended for any performance application
• Fits most domestic applications

Learn more about the importance of the thermostat with cooling systems and how they work by reading our tech article, Cooling System Principles.