The Kenworth Large Pyrometer Gauges are designed for easy installation in vehicles with 3 1/8 or 3 3/8 mounting holes. These gauges feature a green display with a black bezel, providing a clear and stylish look. With their accurate temperature readings, these gauges allow drivers to monitor their vehicle's engine performance and prevent potential issues. The Kenworth Large Pyrometer Gauges are a practical and reliable choice for any vehicle owner looking to enhance their driving experience.