Chevy Chrome Water Neck & 180 Degree High Flow Thermostat

Thermostat Housing These thermostat housings will fix your leak with a gasket seal design.  They feature a beautiful chrome finish and are designed as a universal application for most Chevy and Mopar engines with stock intake manifolds.  This design works with a Mopar thermostat only.  Late model Mopar style thermostats suggested. Neck goes straight up, must use Mopar thermostat. Beautifully chrome plated. Uses gasket for a perfect seal. Center-to-center of mount bolts:  3-1/4" Neck/hose size:  1-1/2" Hardware included. Water neck fits: Chevy Small Block V8. Chevy 90 Degree V6. Late Mopar V8. Themostat 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.