Raptor Hi-Perf Fuel Pump Built in ADJUSTABLE REGULATOR; No return line needed. Single piece pump body reduces number of parts, size and weight,NO leaky, messy gaskets! Flow Rates of 100 GPH, 150 GPH, & 180/200 GPH VacU Seal Techonology puts shatft seals under vacuum instead of pressure for long life. Wire screen in the inlet port for added protection. Includes a complete installation kit with: No drill mounting bracket, wiring harness, AND 1/2" Big Line fuel lines standard. Limited Warranty