Sport thermostat valves are available, opening at 71 degrees Celsius from Oxid company. Faster engine cooling than stock, and also suitable for summer heat. Fits most cars, including: Caprice Cadillac CTS Cadillac Escalade Avalanche Camaro Corvette Sierra Silverado Tahoe New Land Cruiser FJ Cruiser Compatible with all GMC and Chevrolet engines: 4.8 - 5.3 - 5.7 - 6.0 - 6.2 Price: 180 Warranty: 6 months on valve sealing and the valve itself has no issues. Oxid company's quality makes this warranty almost unnecessary. Also available: Oxid aluminum sport elbows for: GM trucks / New Land Cruiser / FJ Cruiser Limited quantities. For orders and inquiries, please contact via WhatsApp: ( Phone number appears when clicking the contact button )