Thermostat Water Neck Housing Gasket, 1/8" Aluminum Carrier with Molded Silicone Replacement for Chevy SBC BBC Engines 265 283 305 327 350 383 396 400 427 454 472 500

Achieve a reliable seal with the KoiLuvGo Thermostat Housing Gasket. Its innovative design combines a sturdy 1/8-inch aluminum carrier with a molded silicone insert, creating a superior barrier against coolant leaks that outperforms standard gaskets. This durable, reusable gasket requires no sealant and is engineered for compatibility with popular small block and big block engine applications. Replacement for Chevy SBC BBC Engines 265 283 305 327 350 383 396 400 427 454 472 500. Easy to install, it ensures your cooling system maintains proper engine temperature and integrity. A long-lasting solution for preventing leaks between the thermostat housing and water neck.

• Advanced Aluminum And Silicone Construction: Features a sturdy 1/8 inch aluminum carrier framed with a molded silicone insert for a superior seal that resists heat coolant and aging outperforming standard gaskets.
• Superior Leak Prevention: Engineered to create a tight seal between the thermostat housing and water neck effectively preventing coolant leaks to maintain proper engine temperature and cooling system integrity.
• Reusable And Long-Lasting: The durable aluminum and flexible silicone material combination allows this gasket to be reused during maintenance and provides excellent service life without needing sealant.
• Precise Fit For Chevy Engines: Designed specifically for compatibility with Chevy small block and big block engines including popular 265 283 305 327 350 383 396 400 427 454 472 and 500 models. It can fit perfectly after installation to ensure the reliability of sealing and connection.
• Easy and secure installation: You will receive one engine coolant thermostat housing gasket, measuring 4.09 inches x 2.83 inches, with a center inner diameter of 1.81 inches and two side inner diameters of 0.43 inches. It is easy to install, provides excellent sealing performance, and quickly and reliably resolves coolant leaks.