Carter Muscle Car Series Mechanical Fuel PumpPart Number M6882Fits Ford 351 Cleveland EnginesAlso fits 400M And 351M EnginesSPECIFICATIONS 5.5 - 6.5 PSI25 Gallons Per Hour Threaded Female Outlet 1/2 - 20 Inverted Flare3/8" Barbed Inlet