1/8" Thermostat Gasket for Car,High-Temp Resistant Thermostat Housing Gasket Compatible with Chevrolet SBC BBC,Aluminum & Silicone Thermostats Seal Spacer Replacement

End Coolant Leakage, Safeguarding the Foundation for Stable Engine OperationProduct AttributesColors: SilverSizes: 4.13×2.8×0.15 inch, ID 1.84 inchWeight: 0.7 ozMaterial: Aluminum + SiliconePackaging: 1* Thermostat Housing GasketPackage Sizes: 4.92×3.34×0.15 inchProduct Feature & Functions1. Constructed with aluminum and silicone materials for a balance of strength and flexibility2. Specifically engineered to withstand high-temperature and high-pressure engine conditions, effectively blocking coolant leaks and reducing system pressure loss3. Always verify product dimensions against your vehicle's thermostat housing specifications before ordering to assure a precise fit4. Compatible with Chevrolet SB and BB engines. Applicable models: 400, 427, 454, 472, 265, 283, 305, 327, 350, 383, 396, and 500

• Precise Dimensions: The thermostat gasket measures 4.13 inches × 2.8 inches × 0.15 inches, with a center bore diameter of 1.84 inches and auxiliary side bores of 0.42 inches. Before ordering, please verify the dimensions against your old gasket or repair manual
• Compatibility: This is an essential automotive part specifically compatible with Chevrolet engines. Applicable engine models include 265, 400, 427, 454, 283, 305, 327, 350, 383, 396, 472, and 500. Please carefully verify your vehicle's engine model before placing an order
• Avoid Leakage: The core function of the thermostat gasket for cars is to seal the joint between the intake manifold and the thermostat outlet housing, effectively blocking coolant leakage and avoiding pressure loss in the cooling system. This protects the engine's normal operating temperature
• Premium Materials: Thermostat and gasket feature aluminum plates for robust structural support, while an integrated high-elasticity silicone layer provides exceptional sealing performance. Designed for long-term high-temperature resistance and aging resistance
• Installation Procedure: ① Confirm the engine is completely cooled. ② Detach the mounting bolts securing the thermostat water neck housing. ③ Remove the old gasket and clean both sealing surfaces. ④ Install the new gasket. ⑤ Reinstall the housing and tighten the bolts