GMB Semi-Truck Fuel Delivery
- GMB®Fuel Tank Lock Ring (500-2508)Fuel Tank Lock Ring by GMB®. The modern fuel system is electronically controlled by on-board computers. It is designed to adjust and optimize the air/fuel ratio that is delivered to the engine as driving conditions change. GMB Fuel...100% Pressure and Flow-rate tested in-houseIncludes all required hardware for installation$11.90