Struggled with taking up real estate on your relay panel with your EGT and Auxiliary I/O module or add one later and don’t have room? Here is your solution. This mount will one Holley EGT box and one Holley Auxiliary I/O module. Available for 1.25”, 1.75”, 1.5”, and 1.625” roll bars. Include all hardware, isolating washers, bracket, and roll bar mount. The two modules are the same pattern and this item will get you the correct hardware needed along with the mount and clamps.