Operates using leaded and unleaded gasoline, gasohol, diesel fuels and fuel boosters. Easy to install with complete installation package and instructions. Free-flow fuel delivery. Positive displacement pump-motor-driven rotary vane type. Constant fuel flow - non-pulsating pump. Positive + or - ground. Internal pressure regulating valve. No points to burn out. No rubber parts subject to deterioration. 72 or 100 gallons per hour flow. Filter required.