The Flex Fuel Composition Sensor from Culture Automotive delivers precise fuel blend monitoring to optimize your vehicle’s performance. Designed to suit 3/8" GM Spring Lock fittings, it ensures seamless integration with your existing fuel system. Each sensor includes a matching plug and 3 pins for straightforward installation and reliable connectivity. Built for enthusiasts who demand premium quality and accuracy, this sensor aligns perfectly with our commitment to performance and culture. Elevate your build with parts crafted by car people, for car people.