Thermostat Water Neck Housing Gasket – 1/8″ Aluminum Carrier+Silicone Thermostat Water Neck Replacement for Chevy SBC BBC 265 283 305 327 350 383 396 400 427 454 472 500

Customers find the thermostat water neck housing gasket to be of great quality and functionality, with one customer noting it works better than paper alternatives. The gasket provides excellent sealing, and customers consider it good value for money. However, the fitment receives mixed feedback, with some saying it fits perfectly while others report it doesn't work with 5.9 L Dodge engines. Similarly, leakage experiences are mixed, with some reporting no leaks while others experience small leaks during long runs.