COMPATIBILITY:Compatible with Corvette C3 1977-1982 Gauge Cluster 602505. OE STANDARD: Meets the Original Equipment (OE) standards, ensuring replacement Compatible with just like the original.Interchange part number:1G1AY8764BS, 1G1AY8764B5, 1G1AY8780C5 1Z37L7S4, 1Z87L8S4, 1Z87L8S9, 1Z8789S4, 1Z878AS4. "easy to install Thicker copper circuit paths and bulb contacts". EASY INSTALLATION: Direct Replacement, easy installation. Professional installation is highly recommended..
